Oxygen-control fruit fresh-keeping box capable of being uniformly cooled
Technical Field
The utility model relates to a fruit preservation box field specifically is an oxygen control fruit preservation box that can evenly cool down.
Background
At present, in a common household, a fruit tray for placing fruits is arranged on a table top, but at normal temperature, microorganisms on the fruits can rapidly breed to cause the fruits to be easy to rot, so a low-temperature fruit tray appears on the market, heat exchange treatment is carried out on a storage cavity for placing the fruits to realize temperature reduction and achieve a fresh-keeping effect, the fruit tray mainly comprises a base and a box cover, the top of the base defines the bottom wall of the storage cavity, a refrigerating system which is in contact with the top of the base is arranged in the base, the refrigerating system absorbs heat of air in the storage cavity through the top surface of the base, so that the storage cavity realizes a cooling effect, but because the storage cavity is a relatively closed cavity, and the air temperature is influenced by reduced factors, the flow speed of the air in the storage cavity is extremely low, and temperature stratification in the storage cavity is caused, uneven, the temperature of storing the cavity bottom is lower, and the fruit vegetables are placed for a long time and are being stored the cavity bottom and freeze the condition of damaging easily, and the temperature of storing the cavity top is then higher, and rotten condition then appears easily to the fruit vegetables, and when the fruit bowl was fully loaded, the fruit vegetables fresh-keeping effect in the storage cavity was uneven from top to bottom.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned current problem, provide a simple structure, reasonable accuse oxygen fruit preservation box that can evenly cool down, its effect is that the temperature that realizes the whole cavity in fresh-keeping chamber can evenly reduce, guarantees the fresh-keeping effect in fresh-keeping chamber.
The utility model provides a accuse oxygen fruit preservation box that can evenly cool down, includes base and lid, and the lid movable cover is established at the base top and is enclosed the fresh-keeping chamber that forms and place food, install the refrigerating plant who is used for reducing fresh-keeping chamber temperature in the base, be provided with the return air pipeline in the base, the air inlet port and the air-out port and the fresh-keeping chamber intercommunication of return air pipeline, install circulating fan on the return air pipeline, make through circulating fan and form the air cycle runner between return air pipeline and the fresh-keeping chamber.
The utility model discloses can also adopt following technical measure to solve:
the base includes the shell body and is used for injecing the heat conduction top cap that keeps fresh the chamber diapire, constitute the assembly chamber jointly after shell body and the assembly of heat conduction top cap, install return air pipeline and refrigerating plant in the assembly chamber, refrigerating plant leans on the subsides to install the bottom surface at the heat conduction top cap.
The heat conduction top cover is provided with an air inlet and an air outlet, the air inlet port and the air outlet port of the return air pipeline are respectively in butt joint with the air inlet and the air outlet, and the air inlet and the air outlet are arranged far away from each other.
The air inlet and the air outlet are arranged at opposite angles on the heat-conducting top cover, or one of the air inlet and the air outlet is annularly arranged at the edge of the heat-conducting top cover, and the other one of the air inlet and the air outlet is arranged at the center of the heat-conducting top cover.
The refrigerating device comprises a semiconductor refrigerating piece, the cold surface of the semiconductor refrigerating piece is connected with a base station in contact fit with the bottom surface of the heat-conducting top cover, the hot surface of the semiconductor refrigerating piece is connected with a hot-end radiating fin, and a radiating fan is installed at the bottom of the hot-end radiating fin.
And a temperature sensor is arranged on the air circulation flow channel.
And a heat insulation layer is arranged in the base between the heat conduction top cover and the assembly cavity.
And the end surface of the heat-conducting top cover is provided with an annular water retaining wall corresponding to the air inlet and the air outlet.
And a sealing structure of a sealed fresh-keeping cavity is arranged at the joint between the base and the box cover.
The heat conduction top cap is the metal material, and the metal material includes not only aluminium or aluminium alloy material.
The utility model has the advantages as follows:
the utility model relates to a accuse oxygen fruit preservation box that can evenly cool down, moreover, the steam generator is simple in structure, production convenient and fast, the fruit preservation box of this structure passes through refrigerating plant and reduces the temperature of fresh-keeping intracavity, low temperature environment can prevent that fruit vegetables from rotting, make the fresh-keeping effect of fruit vegetables more ideal, the shelf life is longer, and can circulate the cold air of fresh-keeping intracavity through return air pipeline and circulating fan, the heat that will stop at fresh-keeping chamber top takes to the bottom in fresh-keeping chamber and refrigerating plant carries out the heat exchange, thereby the temperature that realizes fresh-keeping whole cavity in chamber can evenly reduce, prevent that a large amount of cold air deposit is in fresh-keeping chamber bottom, the fruit vegetables that cause fresh-keeping chamber bottom freeze, the condition such as frostbite, and the fruit vegetables at fresh-keeping chamber top are then too high in temperature, cause the uneven scheduling problem of fruit vegetables fresh-keeping effect.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the assembly chamber of the present invention.
Fig. 3 is a schematic sectional view of the present invention.
Fig. 4 is a schematic view of an embodiment of an air inlet and an air outlet according to the present invention.
Fig. 5 is a schematic view of an air inlet and an air outlet according to the present invention.
Fig. 6 is a schematic view of the exploded structure of the refrigerating apparatus of the present invention.
Fig. 7 is a schematic view of the annular water retaining wall of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 to 7, the oxygen-controlled fruit preservation box capable of uniformly cooling comprises a base 1 and a box cover 2, wherein a movable cover of the box cover 2 is arranged at the top of the base 1 and surrounds a preservation cavity A for placing food, a refrigerating device B for reducing the temperature of the preservation cavity is arranged in the base 1, an air return pipeline 3 is arranged in the base 1, an air inlet port 31 and an air outlet port 32 of the air return pipeline 3 are communicated with the preservation cavity A, a circulating fan 4 is arranged on the air return pipeline 3, and an air circulation flow channel is formed between the air return pipeline 3 and the preservation cavity A through the circulating fan 4.
The fresh-keeping box of fruit of this structure passes through the temperature that refrigerating plant B reduced fresh-keeping intracavity A, low temperature environment can prevent that the fruit vegetables from appearing rotting, make the fresh-keeping effect of fruit vegetables more ideal, the shelf life is longer, and can circulate through the cold air of return air pipeline 3 and circulating fan 4 in with fresh-keeping intracavity A, the heat that will stop at fresh-keeping intracavity A top is taken to fresh-keeping intracavity A's bottom and is carried out the heat exchange with refrigerating plant B, thereby the temperature that realizes fresh-keeping intracavity A whole cavity can evenly reduce, prevent a large amount of cold air deposition in fresh-keeping intracavity A bottom, cause the fruit vegetables of fresh-keeping intracavity A bottom to freeze, the condition such as frostbite, and the fruit vegetables at fresh-keeping intracavity A top then the high temperature, lead to the uneven scheduling problem of fruit vegetables fresh-keeping effect.
In addition, the refrigerating device B can also adopt modes such as compressor refrigeration to realize temperature reduction.
Further, the base 1 comprises an outer shell 11 and a heat-conducting top cover 12 for limiting the bottom wall of the fresh-keeping cavity A, the outer shell 11 and the heat-conducting top cover 12 jointly form an assembly cavity C after assembly, a return air pipeline 3 and a refrigerating device B are installed in the assembly cavity C, and the refrigerating device B is installed on the bottom surface of the heat-conducting top cover 12 in a sticking mode.
Further, an air inlet 121 and an air outlet 122 are formed in the heat-conducting top cover 12, an air inlet port 31 and an air outlet port 32 of the return air duct 3 are respectively in butt joint with the air inlet 121 and the air outlet 122, and the air inlet 121 and the air outlet 122 are arranged away from each other, so that the flow path of air circulation can cover the whole fresh-keeping cavity a, the cooling effect of the fresh-keeping cavity a is more uniform, and heat at the top of the fresh-keeping cavity can be taken away.
The specific embodiments of the air inlet 121 and the air outlet 122 that are disposed away from each other include:
the first method is as follows: referring to fig. 4, the air inlet 121 and the air outlet 122 are diagonally disposed on the heat conductive top cover 12, and this embodiment can form a flow path in a diagonal direction.
The second method comprises the following steps: referring to fig. 5, one of the air inlet 121 and the air outlet 122 is circumferentially disposed at an edge of the heat-conducting top cover 12, and the other of the air inlet 121 and the air outlet 122 is disposed at a central portion of the heat-conducting top cover 12, this embodiment can form a flow path from outside to inside or from inside to outside, and in an opposite manner, all air in the fresh-keeping cavity can be added to the air circulation flow channel, thereby improving the refrigeration effect.
Further, referring to fig. 6, the refrigeration device B includes a semiconductor refrigeration sheet B1, the cold surface of the semiconductor refrigeration sheet B1 is connected to a base B2 in contact fit with the bottom surface of the heat conducting top cover 12, the hot surface of the semiconductor refrigeration sheet B1 is connected to a hot-end heat sink B3, and a heat dissipation fan B4 is installed at the bottom of the hot-end heat sink B3, so that energy consumption and noise can be reduced by using the semiconductor refrigeration sheet B1.
Further, a temperature sensor 5 is arranged on the air circulation flow channel; the temperature in the mainly used control fresh-keeping chamber A, after temperature sensor 5 perception temperature reached the setting value, trigger refrigerating plant B stop work, prevent because fresh-keeping chamber A temperature crosses various problems that lead to the fact excessively.
Further, a heat insulation layer 6 is arranged in the base 1 between the heat conduction top cover 12 and the assembly cavity C, the heat insulation layer 6 can insulate the fresh keeping cavity A, the heat insulation effect is achieved, and the heat generated by the refrigerating device B in the assembly cavity C is prevented from being transferred to the fresh keeping cavity A to affect the cooling effect.
The heat insulating layer 6 can be foam or other related materials.
Further, the end face of the heat-conducting top cover 12 is provided with an annular water retaining wall 123 corresponding to the air inlet 121 and the air outlet 122, and since accumulated water is easily left behind after cleaning fruits and vegetables or condensed water is generated in the preservation cavity a in a low-temperature environment, the annular water retaining wall 123 can prevent the accumulated water or the condensed water from flowing into the return air duct 3 through the air inlet 121 or the air outlet 122 to cause long-term accumulated water and easily breed bacteria.
Further, a sealing structure 7 for sealing the fresh-keeping cavity A is arranged at the joint between the base 1 and the box cover 2; seal structure 7 is including the sealing washer isotructure that adopts the silica gel material, can prevent to have the thermal air and flow in fresh-keeping chamber A through the clearance between base 1 and the lid 2, causes the unsatisfactory scheduling problem of cooling effect.
Further, the heat-conducting top cover 12 is made of metal, the metal material includes but is not limited to aluminum or aluminum alloy material, the aluminum or aluminum alloy material has low use and production cost, good heat-conducting property, easy processing and light weight, and the overall quality of the preservation box can be reduced.
The heat conductive top cover 12 is formed with a cavity 124 therein for receiving food by stamping or lathe cutting.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.