CN214241775U

CN214241775U - Fresh-keeping box

Info

Publication number: CN214241775U
Application number: CN202022822552.4U
Authority: CN
Inventors: 邹伟; 张里华
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-21
Anticipated expiration: 2030-11-30

Abstract

A crisper, comprising: a box body (1) with a first chamber (11) and a semiconductor refrigerating piece (2); the first chamber (11) is provided with an air inlet (111) and an air outlet (112), and the air inlet (111) and the air outlet (112) are communicated through a pipeline (14); the semiconductor refrigeration device is characterized by also comprising a cold water tank (31), a heat exchange tube (33) and a fan (32), wherein the cold water tank (31) is attached to or adjacent to the cold end of the semiconductor refrigeration piece (2), and the cold water tank (31) is provided with a water inlet and a water outlet; two ends of the heat exchange tube (33) are connected with the water inlet and the water outlet, and at least part of the heat exchange tube (33) is arranged in the pipeline (14) or is arranged close to the pipeline (14); a fan (32) is arranged in the pipeline (14) or/and the first chamber (11) to drive the air flow to circularly flow along the first chamber (11) and the pipeline (14). Compared with the prior art, the refrigeration speed of the cold storage area can be improved, and the frosting risk is reduced.

Description

Fresh-keeping box

Technical Field

The utility model belongs to the technical field of kitchen appliance, concretely relates to fresh-keeping case.

Background

The variety of articles in the kitchen is various, such as tea leaves needing to be stored in a dry mode, various condiments and the like, taking the condiments as an example, the variety of the condiments is various, different storage environments are needed for different kinds of condiments, liquid condiments such as soy sauce, vinegar and the like need to be stored at a lower temperature, and granular condiments such as salt, monosodium glutamate, sugar, spices and the like need to be stored in a dry environment. Present family considers the flavouring convenience of taking when culinary art, and is more direct to place the flavouring on accomodating the frame, accomodates the frame and places near the top of a kitchen range, and this can lead to some flavouring to appear wetting, going mildy, rotten problem undoubtedly.

In order to meet the requirements of low-temperature refrigeration and realize heating and drying, people design a cold and hot integrated fresh-keeping cabinet, for example, a patent ZL201620409915.2 utility model patent of a hotel cold and hot integrated food fresh-keeping cabinet (No. CN205607017U), which comprises a fresh-keeping cabinet shell and a fresh-keeping cabinet body in the fresh-keeping cabinet shell, the middle part of the fresh-keeping cabinet body is a temperature control box, a semiconductor heater and a semiconductor refrigerator are horizontally arranged in the temperature control box side by side, the soaking surfaces of the semiconductor heater and the semiconductor refrigerator face upwards and face downwards, and the upper and lower surfaces of the semiconductor heater and the semiconductor refrigerator are both provided with heat dispersers, the upper part of the heat disperser of the hot surface of the semiconductor heater and refrigerator is a hot fresh food fresh-keeping box, the lower parts of the heat dispersers of the cold surfaces of the semiconductor heater and the refrigerator are cold fresh food fresh-keeping boxes, and temperature sensors are respectively arranged in the fresh food fresh-keeping boxes, The board is placed to multilayer food, forced air convection device, all install electronic book curtain on cold bright food preservation case and the hot bright food preservation case, be used for opening or closing cold bright food preservation case and hot bright food preservation case, the last panel that still is equipped with of temperature control case, the switch setting of electronic book curtain is on the panel, still be equipped with the controller that integrated control circuit and liquid crystal touch control screen constitute on the panel, this controller and temperature sensor, the fan press, semiconductor heater, the semiconductor refrigerator electricity is connected.

The fresh-keeping cabinet utilizes the Peltier effect to refrigerate in a semiconductor mode, a low-temperature area and a high-temperature area are generated in an element with a small size, and then refrigeration and heating are carried out, but the existing semiconductor has the problems that the refrigeration speed is slow, and frosting is easy to occur in a refrigerating box. If the preservation cabinet is used for containing seasoning products, the preservation cabinet can be opened for 1-3 times in one day, most of the time is in a state that the cabinet door is closed, and the loss of cold energy in the cabinet body is less when the cabinet door is closed; and the cabinet door needs to be opened many times during cooking, and at this moment, the cold energy in the cabinet body is dissipated very fast, and the temperature in the cabinet body is difficult to be reduced in a short time at the refrigerating speed of the semiconductor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve is to prior art's current situation, provides a fresh-keeping case that can improve the refrigeration speed in cold-stored district.

The utility model aims to solve the second technical problem that a reduce fresh-keeping case of risk of frosting in the cold-stored district is provided.

The utility model aims to solve the third technical problem that a fresh-keeping case convenient to article in it of taking is provided.

The utility model provides a technical scheme that above-mentioned first, second technical problem adopted is: the utility model provides a fresh-keeping case, includes the box that has first cavity and locates the semiconductor refrigeration spare outside the first cavity, its characterized in that: the first chamber is provided with an air inlet and an air outlet which are communicated with each other through a pipeline arranged outside the first chamber; the semiconductor refrigeration device is characterized by also comprising a cold water tank, a heat exchange tube and a fan, wherein the cold water tank is arranged outside the first chamber and is attached to or adjacent to the cold end of the semiconductor refrigeration piece, and the cold water tank is provided with a water inlet and a water outlet; the two ends of the heat exchange tube are connected with the water inlet and the water outlet, and at least part of the heat exchange tube is arranged in the pipeline or close to the pipeline; the fan is arranged in the pipeline or/and the first chamber to drive airflow to circularly flow along the first chamber and the pipeline.

In order to utilize the hot end of the semiconductor refrigerating element at the same time, a second chamber separated from the first chamber is further arranged in the box body, and the second chamber is adjacent to the hot end of the semiconductor refrigerating element.

In order to make the interior of the second chamber be uniformly heated and improve the heating speed, the heating device further comprises a heating panel and an air guide fan, wherein the panel on one side of the heating panel is attached to the hot end, the air inlet of the air guide fan is opposite to the panel on the other side of the heating panel, and the air outlet of the air guide fan is communicated with the second chamber. To blow hot air into the second chamber.

Furthermore, the air guide device also comprises a grille which is arranged close to the air outlet of the air guide fan. To uniformly disperse the hot gas flow.

Preferably, the first chamber and the second chamber are distributed up and down, and the semiconductor refrigerating piece is plate-shaped and transversely arranged between the first chamber and the second chamber.

In order to effectively transmit the cold energy of the cold end of the semiconductor refrigeration piece to the water tank, the cold storage device also comprises a heat exchange plate which is arranged between the cold end of the semiconductor refrigeration piece and the cold water tank.

In order to further solve the third technical problem, preferably, the top of the box body is provided with an opening and a door body capable of opening and closing the opening, and a substantially horizontal lifting plate is arranged in the first chamber and is connected with the box body in a manner of moving up and down.

The lifting plate is convenient to move, and preferably comprises an air tank, a piston, a hot water tank, a hot water pipe and a cold water pipe, wherein the air tank is hollow; the hot water tank is close to or attached to the hot end of the semiconductor refrigerating piece; two ends of the hot water pipe are communicated with the hot water tank, and at least part of the hot water pipe is positioned in the air tank to heat the air in the air tank; two ends of the cold water pipe are communicated with the cold water tank, and at least part of the cold water pipe is positioned in the air tank to cool the air in the air tank; the piston comprises a piston cylinder communicated with the inside of the gas box, the inner end part of the piston cylinder is inserted into a piston rod arranged in the piston cylinder, the outer end part of the piston rod is connected with the lifting plate, and the piston rod stretches under the action of gas in the gas box to push the lifting plate to move up and down. So, the power supply that the drive lifter plate goes up and down is the heat exchange effect that semiconductor refrigeration piece produced, and need not to set up driving pieces such as motor or hydraulic pump in addition, has simple structure, ingenious, the effect of reduction volume.

In order to further facilitate the taking of articles, the device also comprises a tray transversely arranged above the lifting plate, and the tray is connected with the lifting plate in a mode of rotating around the central shaft of the tray. So, when the tray can go up and down along with the lifter plate, can also rotate.

The tray comprises a gas box, a tray body and a driving piece, wherein the gas box is arranged in the gas box, the driving piece is used for driving the tray to rotate and comprises a piston cylinder communicated with the inside of the gas box, the inner end part of the piston cylinder is inserted into a push rod arranged in the piston cylinder, the piston cylinder and the push rod thereof are basically horizontally arranged, the longitudinal section of the push rod is arc-shaped, an arc-shaped limiting groove which takes the center of the tray as the center of circle is formed in the center of the bottom wall of the tray, and the outer end part of the push rod is inserted into the arc-shaped limiting groove. Thus, the tray can be driven to rotate by utilizing the heat exchange effect generated by the semiconductor refrigerating piece.

Compared with the prior art, the utility model has the advantages of: by arranging the cold water tank, the fan and the heat exchange tube and arranging the air inlet and the air outlet on the first cavity, when the cold energy in the first cavity of the fresh-keeping tank is less dissipated, the cold energy generated by the cold end of the semiconductor refrigerating piece can be accumulated in the cold water tank, so that the medium in the cold water tank is in a low-temperature state; when the cold quantity in the first cavity of the fresh-keeping box is dissipated quickly, the low-temperature medium in the cold water box can be conveyed into the heat exchange pipe to reduce the temperature of the ambient air, the fan is started, cold air is blown into the first cavity, the first cavity is cooled quickly, and frosting in the first cavity can be avoided to a certain extent. Because the cold energy generated by the cold end of the semiconductor refrigerating element is utilized to carry out quick refrigeration, the power of the fresh-keeping box is basically not changed, and the fresh-keeping box has the advantages of energy conservation and environmental protection.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of the embodiment of the present invention with the door body omitted;

fig. 3 is a cross-sectional view of an embodiment of the present invention;

fig. 4 is another cross-sectional view of an embodiment of the present invention;

fig. 5 is a cross-sectional view of the embodiment of the present invention at the tray;

fig. 6 is an exploded perspective view of an embodiment of the present invention;

fig. 7 is an enlarged view of a portion a in fig. 6.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1-7, for the utility model discloses a fresh-keeping box's a preferred embodiment, this fresh-keeping box includes box 1, semiconductor refrigeration piece 2, cold wind subassembly 3, hot-blast subassembly 4, lifter plate 5, tray 6 and power component 7.

The upper part of the box body 1 is provided with a first chamber 11, the lower part of the box body is provided with a second chamber 12, the top of the first chamber 11 is provided with an opening, the top of the box body 1 is provided with a door body 13 capable of opening and closing the opening, and articles in the first chamber 11 can be taken by opening the door body 13; an air inlet 111 and an air outlet 112 are arranged on the bottom wall of the first chamber 11, the air inlet 111 and the air outlet 112 are communicated through a pipeline 14, and the pipeline 14 is arranged outside the first chamber 11; the pipeline 14 may be an open-loop structure or a closed-loop structure, and in this embodiment, the pipeline 14 is formed by two segments that are distributed at intervals to form an open-loop pipeline structure. The lower part of the front surface of the box body 1 corresponding to the first chamber 11 is provided with an opening, and a first drawer 15 capable of moving back and forth is arranged on the opening. The front face of the box body 1 is also provided with an opening corresponding to the second chamber 12, and the opening is provided with a second drawer 16 capable of moving back and forth. In order to facilitate the taking of the articles in the first chamber 11, the lifting plate 5 is substantially horizontally arranged in the first chamber 11 and above the first drawer 15, and is connected with the box body 1 in a manner of moving up and down; the tray 6 is placed horizontally above the elevating plate 5, and the tray 6 is connected to the elevating plate 5 so as to be rotatable about its central axis. To facilitate viewing of the contents of the first chamber, a light may be disposed within the first chamber.

The semiconductor refrigerating piece 2 is plate-shaped and transversely arranged between the first chamber and the second chamber, the upper end part of the semiconductor refrigerating piece 2 is a cold end and is opposite to the first chamber 11, and the lower end part of the semiconductor refrigerating piece 2 is a hot end and is opposite to the second chamber 12.

The cold air assembly 3 is arranged in the box body 1 and positioned between the first chamber and the second chamber, the cold air assembly 3 comprises a cold water tank 31, a fan 32 and a heat exchange tube 33, the bottom surface of the cold water tank 31 is attached to the cold end of the semiconductor refrigeration part 2 through a heat exchange plate 34, the heat exchange plate 34 is an aluminum heat exchange plate for improving cold energy transfer, a medium (such as water and other cold-accumulating liquid) in the cold water tank 31 is in a low-temperature state under the action of the cold end, and the cold water tank 31 is provided with a water inlet and a water outlet; the fan 32 is arranged in the first chamber 11 to drive the air flow to circularly flow along the first chamber 11 and the pipeline 14; the heat exchange tubes 33 are arranged in a bow shape, two ends of the heat exchange tubes 33 are connected with the water inlet and the water outlet, and at least partial heat exchange tubes 33 are arranged in the pipeline 14 or adjacent to the pipeline 14 to reduce the temperature of the air flow. In this way, the air in the first chamber 11 is sucked into the duct 14 by the operation of the fan 32, and the temperature is lowered after the heat exchange with the heat exchange pipe 33, and then the air enters the first chamber 11 to perform the above-described circulation.

The hot air assembly 4 includes a heat dissipating plate 41, an air guiding fan 42, and a grille 43, wherein a plate surface on one side of the heat dissipating plate 41 is attached to a hot end of the semiconductor cooling device 2, an air inlet of the air guiding fan 42 is opposite to a plate surface on the other side of the heat dissipating plate 41, an air outlet of the air guiding fan 42 is communicated with the second chamber 12 through the grille 43, and the grille 43 is disposed near the air outlet of the air guiding fan 42. Also for improved heat transfer, the heat sink 41 is an aluminum heat sink.

Above-mentioned power component 7 locates in box 1 to be located between first, the second cavity, be used for driving 5 lifts of lifter plate and tray 6 rotations, specifically be: the power assembly 7 comprises an air tank 71, a piston 72, a hot water tank 73, a hot water pipe 74, a cold water pipe 75 and a driving member 76, wherein the air tank 71 is hollow; the hot water tank 73 is attached to the heat dissipation plate 41, and the medium in the hot water tank 73 is in a high-temperature state under the action of the hot end; both ends of the hot water pipe 74 are communicated with the hot water tank 73, and at least part of the hot water pipe 74 is positioned in the air tank 71 to heat the air in the air tank 71; two ends of the cold water pipe 75 are communicated with the cold water tank 31, and at least part of the cold water pipe 75 is positioned in the air tank 71 to cool the air in the air tank 71; the piston 72 is vertically arranged and comprises a piston cylinder 721 communicated with the inside of the air tank 71, an inner end part is inserted into the piston cylinder 721, a piston rod 722 is arranged in the piston cylinder 721, the outer end part of the piston rod 722 is connected with the bottom surface of the lifting plate 5, and the piston rod 722 stretches under the action of air in the air tank 71 to push the lifting plate 5 to move up and down. The driving member 76 includes a piston cylinder 761 horizontally communicated with the inside of the air box 71, and a push rod 762 having an inner end inserted in the piston cylinder 761, the piston cylinder 761 and the push rod 762 are basically horizontally arranged, a longitudinal section of the push rod 762 is arc-shaped, an arc-shaped limit groove 61 having a center of circle at the center of the bottom wall of the tray 6 is formed in the center of the bottom wall of the tray 6, and the outer end of the push rod 762 is inserted in the arc-shaped limit groove 61.

In order to drive the medium in the hot water pipe 74, the cold water pipe 75 and the heat exchange pipe 33 to flow, the hot water pipe 74, the cold water pipe 75 and the heat exchange pipe 33 are respectively connected with a pump body. In order to enable all the components to work stably and orderly, temperature and/or humidity sensors are arranged in the first cavity and the second cavity, a controller used for receiving signals sent by the sensors is arranged in the box body 1, and the output end of the controller is connected with each pump body, the fan 32, the air guide fan 42, the semiconductor refrigerating piece 2 and the like.

Thus, when a user needs to take the articles in the first chamber 11, the pump connected with the hot water pipe 74 works, the pump connected with the cold water pipe 75 does not work, the gas in the gas tank 71 expands due to heating to push the piston rod 722 to move upwards, so that the lifting plate 5 and the tray 6 are pushed to ascend, the articles on the tray 6 float out of the fresh-keeping box, and the user can take the articles conveniently;

meanwhile, if the tray 6 needs to be rotated, the gas expanded by heat in the gas box 71 can simultaneously push the push rod 762 to move outwards, and the outer end part of the push rod 762 drives the tray 6 to rotate.

When the user finishes taking the articles, the pump connected to the cold water pipe 75 is operated, the pump connected to the hot water pipe 74 is not operated, the temperature of the gas in the gas tank 71 is reduced, the gas is contracted, the piston rod 722 moves downwards, the lifting plate 5 and the tray 6 descend, and the articles on the tray 6 return to the first chamber 11.

Claims

1. The utility model provides a fresh-keeping case, includes box (1) that has first cavity (11) and locates semiconductor refrigeration spare (2) outside first cavity (11), its characterized in that: the first chamber (11) is provided with an air inlet (111) and an air outlet (112), and the air inlet (111) and the air outlet (112) are communicated through a pipeline (14) arranged outside the first chamber (11);

and also comprises a cold water tank (31), a heat exchange pipe (33) and a fan (32);

the cold water tank (31) is arranged outside the first chamber (11) and is attached to or adjacent to the cold end of the semiconductor refrigerating piece (2), and the cold water tank (31) is provided with a water inlet and a water outlet;

the two ends of the heat exchange tube (33) are connected with the water inlet and the water outlet, and at least part of the heat exchange tube (33) is arranged in the pipeline (14) or is arranged close to the pipeline (14);

the fan (32) is arranged in the pipeline (14) or/and the first chamber (11) to drive the air flow to circularly flow along the first chamber (11) and the pipeline (14).

2. The crisper of claim 1, wherein: the box body (1) is internally provided with a second chamber (12) separated from the first chamber (11), and the second chamber (12) is adjacent to the hot end of the semiconductor refrigerating piece (2).

3. The crisper of claim 2, wherein: the heat-insulating plate is characterized by further comprising a heat-radiating plate (41) and an air guide fan (42), wherein the plate surface on one side of the heat-radiating plate (41) is attached to the hot end, the air inlet of the air guide fan (42) is opposite to the plate surface on the other side of the heat-radiating plate (41), and the air outlet of the air guide fan (42) is communicated with the second chamber (12).

4. The crisper of claim 3, wherein: also comprises a grille (43), and the grille (43) is arranged close to the exhaust outlet of the air guide fan (42).

5. The crisper of claim 2, characterized in that: the first cavity (11) and the second cavity (12) are distributed up and down, and the semiconductor refrigerating piece (2) is plate-shaped and transversely arranged between the first cavity and the second cavity.

6. The crisper of claim 1, characterized in that: the refrigerator further comprises a heat exchange plate (34), and the heat exchange plate (34) is arranged between the cold end of the semiconductor refrigeration piece (2) and the cold water tank (31).

7. The crisper of any of claims 1-6, wherein: the top of the box body (1) is provided with an opening and a door body (13) capable of opening and closing the opening, a lifting plate (5) which is basically horizontal is arranged in the first chamber (11), and the lifting plate (5) is connected with the box body (1) in a vertically movable mode.

8. The crisper of claim 7, wherein: the water heater also comprises an air tank (71), a piston (72), a hot water tank (73), a hot water pipe (74) and a cold water pipe (75), wherein the air tank (71) is hollow; the hot water tank (73) is close to or attached to the hot end of the semiconductor refrigerating piece (2); the two ends of the hot water pipe (74) are communicated with the hot water tank (73), and at least part of the hot water pipe (74) is positioned in the air tank (71) to heat the air in the air tank (71); two ends of the cold water pipe (75) are communicated with the cold water tank (31), and at least part of the cold water pipe (75) is positioned in the air tank (71) to cool air in the air tank (71); the piston (72) comprises a piston cylinder (721) communicated with the inside of the air box (71), the inner end part of the piston cylinder is inserted into a piston rod (722) in the piston cylinder (721), the outer end part of the piston rod (722) is connected with the lifting plate (5), and the piston rod (722) stretches under the action of air in the air box (71) to push the lifting plate (5) to move up and down.

9. The crisper of claim 8, wherein: the device also comprises a tray (6) transversely arranged above the lifting plate (5), and the tray (6) is connected with the lifting plate (5) in a manner of rotating around the central shaft of the tray.

10. The crisper of claim 9, wherein: the tray is characterized by further comprising a driving piece (76) used for driving the tray (6) to rotate, wherein the driving piece (76) comprises a piston cylinder (761) communicated with the inside of the air box (71) and a push rod (762) with an inner end inserted in the piston cylinder (761), the piston cylinder (761) and the push rod (762) are basically horizontally arranged, the longitudinal section of the push rod (762) is arc-shaped, an arc-shaped limiting groove (61) with the center of the tray (6) as the center of circle is formed in the center of the bottom wall of the tray (6), and the outer end of the push rod (762) is inserted in the arc-shaped limiting groove (61).