CN112158470B

CN112158470B - Food storage device with drying function

Info

Publication number: CN112158470B
Application number: CN202011370011.0A
Authority: CN
Inventors: 张敏
Original assignee: New Sanhe Yantai Foods Co ltd
Current assignee: New Sanhe Yantai Foods Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-02-09
Anticipated expiration: 2040-11-30
Also published as: CN112158470A

Abstract

The invention discloses a food storage device with a drying function, which relates to the field of food processing and comprises a machine body, wherein a freezing chamber and a heating chamber are arranged in the machine body, a separation plate is fixedly arranged between the freezing chamber and the heating chamber, the surfaces of the top and the bottom of the separation plate are fixedly connected with heat insulation plates, the central parts of the two heat insulation plates and the separation plate are respectively provided with a material passing hole, and a food moving mechanism is arranged in the material passing hole. According to the invention, the food is fixed on the bearing plate, after freezing is finished, the material is conveyed into the heating chamber through the driving motor, the freezing chamber and the heating chamber are separated by the partition plate and the heat insulation plate, so that freezing and drying are carried out in two separate environments, and when freeze drying is carried out again, the temperature in the heating chamber and the temperature in the freezing chamber can be kept at a certain level, so that the working time is shortened, the working efficiency is improved, moisture in the food can be volatilized, and the storage effect is improved.

Description

Food storage device with drying function

Technical Field

The invention relates to the field of food processing, in particular to a food storage device with a drying function.

Background

Food refers to various finished products and raw materials for people to eat or drink and the products which are both food and traditional Chinese medicinal materials according to the tradition, but does not include the products for treating, and the food is generally stored in a storage device.

In the prior art, when food is stored, the interior of the food contains more moisture, so that the storage time is not ideal enough, and the good storage effect is difficult to maintain.

Therefore, it is necessary to provide a food storage device with a drying function to solve the above problems.

Disclosure of Invention

The present invention is directed to a food storage device with a drying function to solve the above-mentioned problems of the prior art that it is difficult to store food efficiently.

In order to achieve the purpose, the invention provides the following technical scheme: a food storage device with a drying function comprises a machine body, wherein a freezing chamber and a heating chamber are arranged in the machine body, a separation plate is fixedly arranged between the freezing chamber and the heating chamber, heat insulation plates are fixedly connected to the surfaces of the top and the bottom of the separation plate, material passing openings are formed in the two heat insulation plates and the central part of the separation plate, and a food moving mechanism is arranged in the material passing openings;

the food moving mechanism comprises a support frame, the support frame is fixedly arranged in the heating chamber, a plurality of guide sleeves are fixedly connected in the support frame, a moving frame is slidably connected in the guide sleeves, a nut is fixedly arranged at the central part of the moving frame, a screw rod is connected in the nut in a threaded manner, a driving motor is fixedly connected at the bottom end of the screw rod, two closing plates are arranged at the top of the moving frame, the two closing plates are matched with a material passing port, sealing rings are fixedly connected on the side surfaces of the two closing plates, a plurality of connecting rods are fixedly connected between the two closing plates, a bearing plate is fixedly connected between the connecting rods, a material groove is formed in the center of the top of the bearing plate, a plurality of movable sleeves are arranged at the top of the bearing plate, a locking bolt is connected to one side of each movable sleeve in a threaded manner, it is a plurality of fixedly connected with fixed cover between the dead lever, fixed cover inside sliding connection has the pressure head, the spring has cup jointed between pressure head and the fixed cover.

Preferably, a cooling plate is fixedly installed inside the freezing chamber, and a heating plate is fixedly installed inside the heating chamber.

Preferably, heating plate fixed surface installs electric heater, the opening has all been seted up to freezer and heating chamber one side, two the opening outside all articulates there is the switch door.

Preferably, two temperature controllers are installed on the surfaces of the switch door and comprise a single chip microcomputer, the output end of the single chip microcomputer is connected with a display screen, the input end of the single chip microcomputer is connected with a plurality of temperature sensors, and the output end of the single chip microcomputer is connected with a refrigerator.

Preferably, the temperature sensors are respectively arranged in the freezing chamber and the heating chamber, the refrigerator is communicated with the cooling disc, and the electric heater is connected with the output end of the single chip microcomputer.

Preferably, the freezing chamber and the heating chamber are provided with vacuumizing ports on one sides far away from the opening, electromagnetic valves are fixedly mounted inside the vacuumizing ports, and two vacuumizing pumps are fixedly mounted at the end parts of the vacuumizing ports.

Preferably, one side of each of the two vacuumizing pumps is connected with a recycling box, and the recycling boxes are communicated with the vacuumizing pumps.

Preferably, a U-shaped pipe is fixedly installed inside the recovery box, one end of the U-shaped pipe is connected with the two vacuum pumps, and a cooling coil is fixedly installed at the inner corner of the U-shaped pipe.

Preferably, the bottom end of the U-shaped pipe is communicated with a liquid storage tank, and a switch valve is installed on the liquid storage tank.

The invention has the technical effects and advantages that:

1. the height adjustment is carried out by moving the movable sleeve, then the locking bolt is screwed down to fix the movable sleeve, then the pressing head is pulled upwards to place the food on the bearing plate, the food is fixed on the bearing plate by utilizing the spring and the pressing head, at the moment, the closing plate closes the heating chamber, after the freezing is finished, the screw rod is driven to rotate by rotating the output shaft of the driving motor, the screw rod rotates to drive the nut to move up and down, the nut moves to drive the moving frame to move, thereby the bearing plate can be moved, the frozen material is sent into the heating chamber from the freezing chamber, at the moment, the closing plate closes the freezing chamber, the freezing chamber and the heating chamber are separated by utilizing the separating plate and the heat insulating plate, thereby the heat flowing from the heating chamber to the freezing chamber is reduced, the freezing and the drying are carried out in two separated environments, when the freezing and the drying are carried, the energy consumed by freezing and heating drying is reduced, the working time is shortened, the working efficiency is improved, the moisture in the food can be volatilized, and the storage effect is improved;

2. the environment temperatures in the freezing chamber and the heating chamber are respectively detected through the temperature sensors, then the detected signals are transmitted to the single chip microcomputer, the single chip microcomputer compares the received signals with a preset threshold value and displays the specific temperature on the display screen in real time, and meanwhile, the single chip microcomputer controls the refrigerating machine and the electric heater respectively according to the comparison result, so that the environment temperatures in the freezing chamber and the heating chamber can be accurately controlled, and the freeze drying effect is improved;

3. through setting up the evacuation pump, the evacuation pump is to freezing room and the inside evacuation processing that carries on of heating chamber, make inside be in negative pressure state, thereby can change the physical property of water, be convenient for freeze and drying by heating, the evacuation pump is when carrying out evacuation processing, take out the unnecessary moisture of part on food surface from the freezing room, when dry, the evacuation pump takes gaseous water out from the heating chamber, let in the U-shaped pipe in the collection box, gaseous water gets into and contacts with cooling coil in the U-shaped pipe, the refrigerator refrigerates cooling coil, it is exothermic to carry out the liquefaction after the water contact of gaseous state, thereby flow in the liquid storage pot of bottom, retrieve moisture, and utilize the ooff valve to retrieve, effective resources are saved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the connection structure of two closing plates of the present invention.

Fig. 3 is a partially enlarged view of the present invention.

Fig. 4 is an enlarged view of the structure of fig. 3 a according to the present invention.

Fig. 5 is a schematic view of the heating plate structure of the invention.

FIG. 6 is a system control diagram of the present invention.

FIG. 7 is a schematic view of the recycling bin of the present invention.

In the figure: 1. a body; 2. a freezing chamber; 3. a heating chamber; 4. a separator plate; 5. a heat insulation plate; 6. a material passing port; 7. a food moving mechanism; 8. a support frame; 9. a guide sleeve; 10. a movable frame; 11. a nut; 12. a screw; 13. a drive motor; 14. a closing plate; 15. a seal ring; 16. a connecting rod; 17. a carrier plate; 18. a groove; 19. a movable sleeve; 20. locking the bolt; 21. fixing the rod; 22. fixing a sleeve; 23. a compression head; 24. a spring; 25. a cooling pan; 26. heating the plate; 27. an electric heater; 28. an opening; 29. opening and closing the door; 30. a temperature controller; 31. a single chip microcomputer; 32. a display screen; 33. a temperature sensor; 34. a refrigerator; 35. a vacuum pump is pumped; 36. a recycling bin; 37. a U-shaped tube; 38. a cooling coil; 39. a liquid storage tank; 40. and (4) switching on and off the valve.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention provides a food storage device with a drying function as shown in fig. 1 to 7, as shown in fig. 1-4, the food freezing and drying machine comprises a machine body 1, wherein a freezing chamber 2 and a heating chamber 3 are opened inside the machine body 1, the freezing chamber 2 can freeze food, the heating chamber 3 can heat the frozen food, so that freezing and drying are performed in two separate environments, a separation plate 4 is fixedly arranged between the freezing chamber 2 and the heating chamber 3, the surfaces of the top and the bottom of the separation plate 4 are fixedly connected with heat insulation plates 5 which can separate the freezing chamber 2 from the heating chamber 3, therefore, the heat flowing from the heating chamber 3 to the freezing chamber 2 is reduced, the temperature in the two working chambers can be kept at a certain level, the central parts of the two heat insulation plates 5 and the isolation plates 4 are both provided with the material passing opening 6, and the material passing opening 6 can enable the bearing plate 17 filled with food to move between the freezing chamber 2 and the heating chamber 3;

secondly, a food moving mechanism 7 is arranged inside the material passing port 6, the food moving mechanism 7 comprises a support frame 8, the support frame 8 is fixedly arranged inside the heating chamber 3, a plurality of guide sleeves 9 are fixedly connected inside the support frame 8, the guide sleeves 9 can play a good guiding role for the moving frame 10, the stability of the moving frame 10 in the lifting process is improved, the moving frame 10 is slidably connected inside the guide sleeves 9, a nut 11 is fixedly arranged at the central part of the moving frame 10, a screw 12 is in threaded connection inside the nut 11, a driving motor 13 is fixedly connected at the bottom end of the screw 12, the screw 12 can be driven to rotate by the rotation of an output shaft of the driving motor 13, the nut 11 is driven to move up and down by the rotation of the screw 12, the nut 11 is moved to drive the moving frame 10 to move the bearing plate 17, and frozen materials are sent into the heating chamber 3 from the freezing chamber 2, completing the freeze drying operation;

then, two closing plates 14 are arranged at the top of the moving frame 10, the two closing plates 14 are both matched with the material passing port 6, the material passing port 6 can be respectively closed through the two closing plates 14, so that when a material is frozen in the freezing chamber 2, the closing plate 14 at the bottom is closed with the material passing port 6, the heating chamber 3 is closed, when the material is heated and dried in the heating chamber 3, the closing plate 14 at the top is closed with the material passing port 6, the freezing chamber 2 is closed, and therefore heat transfer can be reduced, sealing rings 15 are fixedly connected to the side surfaces of the two closing plates 14, the closing effect between the closing plates 14 and the material passing port 6 can be increased, a plurality of connecting rods 16 are fixedly connected between the two closing plates 14, a bearing plate 17 is fixedly connected between the plurality of connecting rods 16, a material groove 18 is formed in the center of the top of the bearing plate 17, so that food can be located in the material groove 18, food is prevented from rolling on the bearing plate 17, and stability is improved;

finally, the top of the bearing plate 17 is provided with a plurality of movable sleeves 19, each of the movable sleeves 19 is connected with a locking bolt 20 through threads, the movable sleeves 19 are fixedly connected with fixing rods 21 and fixing sleeves 22, the fixing sleeves 21 are fixedly connected with fixing sleeves 22, the fixing sleeves 22 are connected with pressing heads 23 in a sliding mode, springs 24 are sleeved between the pressing heads 23 and the fixing sleeves 22, the pressing heads 23 can be adjusted in height by moving the movable sleeves 19, then the movable sleeves 19 are fixed through the locking bolts 20, the pressing heads can adapt to food with different sizes, the pressing heads 23 are pulled, the food is placed on the bearing plate 17, the pressing heads 23 are reset under the action of the springs 24, the food is fixed, and the stability of the food in the lifting process is improved.

As shown in fig. 1, 5 and 6, a cooling plate 25 is fixedly installed inside the freezing chamber 2, a heating plate 26 is fixedly installed inside the heating chamber 3, an electric heater 27 is fixedly installed on the surface of the heating plate 26, the electric heater 27 can heat frozen food to provide a heat source, openings 28 are respectively formed in one side of the freezing chamber 2 and one side of the heating chamber 3, the food can be conveniently taken, and the outer sides of the two openings 28 are respectively hinged with a switch door 29, so that the openings 28 can be conveniently opened and closed;

then, the temperature controllers 30 are installed on the surfaces of the two switch doors 29, the temperature controllers 30 include a single chip microcomputer 31, the model of the single chip microcomputer 31 is set as M68HC16, the single chip microcomputer 31 is an integrated circuit chip, and is a small and perfect microcomputer system formed by integrating a central processing unit CPU with data processing capability, a random access memory RAM, a read only memory ROM, various I/O ports and interrupt systems, a timer/counter, a display driving circuit, a pulse width modulation circuit, an analog multiplexer, an a/D converter and other circuits on a silicon chip by adopting a very large scale integrated circuit technology, and can receive the temperature signals detected by the temperature sensors 33 and control other components according to a preset temperature threshold, the output end of the single chip microcomputer 31 is connected with a display screen 32, the input end of the single chip microcomputer 31 is connected with a plurality of temperature sensors 33, the model of the temperature sensors 33 is set to be DS18B20, the temperature sensors 33 are sensors capable of sensing temperature and converting the temperature into usable output signals, the output end of the single chip microcomputer 31 is connected with a refrigerating machine 34, the refrigerating principle of the refrigerating machine 34 is that a compressor is used for compressing steam with lower pressure into steam with higher pressure so as to reduce the volume of the steam and increase the pressure, the compressor sucks working medium steam with lower pressure from an evaporator, the working medium steam with higher pressure is sent into a condenser after the pressure is increased, the liquid with higher pressure is condensed into liquid with higher pressure in the condenser, the liquid with lower pressure is sent into the evaporator after being throttled by a throttle valve, the liquid with lower pressure is evaporated by absorbing heat in the evaporator to form steam with lower pressure and then sent into an inlet of the compressor, so that the refrigerating cycle is completed, the refrigerating machine 34 is a common technical means in the field, and the structure inside the, it is a plurality of temperature sensor 33 is installed respectively inside freezer 2 and heating chamber 3, refrigerator 34 is linked together with cooling plate 25, electric heater 27 is connected with singlechip 31 output, a plurality of temperature sensor 33 of accessible detect the inside ambient temperature of freezer 2 and heating chamber 3 respectively, then will detect the signal transmission who obtains for singlechip 31, singlechip 31 compares received signal and predetermined threshold value to show specific temperature on display screen 32 in real time, singlechip 31 controls refrigerator 34 and electric heater 27 respectively according to the contrast result simultaneously, thereby can carry out accurate control to the inside ambient temperature of freezer 2 and heating chamber 3, improve freeze drying effect.

As shown in fig. 1 and 7, the freezing chamber 2 and the heating chamber 3 are both provided with a vacuum-pumping port on the side far from the opening 28, the vacuum-pumping port is fixedly provided with an electromagnetic valve inside, the end portions of the two vacuum-pumping ports are fixedly provided with a vacuum-pumping pump 35, one side of the two vacuum-pumping pumps 35 is connected with a recycling box 36, the recycling box 36 is communicated with the vacuum-pumping pump 35, the vacuum-pumping pump 35 can be used for performing vacuum-pumping treatment on the inside of the freezing chamber 2 and the inside of the heating chamber 3, so that the inside is in a negative pressure state, the physical property of water can be changed, freezing and heating drying are facilitated, when the vacuum-pumping pump 35 performs vacuum-pumping treatment, part of redundant moisture on the surface of food is pumped out of the freezing chamber 2, when drying, the vacuum-pumping pump 35 pumps out gaseous water from the heating chamber 3 and leads into, gaseous water gets into in the U-shaped pipe 37 and contacts with cooling coil 38, and refrigerator 34 refrigerates cooling coil 38, and gaseous water carries out the liquefaction after the contact and releases heat to flow to the liquid storage pot 39 in bottom, retrieve moisture, and utilize ooff valve 40 to retrieve, effective resources are saved.

The working principle of the invention is as follows:

in practical use of the invention, the switch door 29 is opened, the height of the movable sleeve 19 is adjusted according to the size of the food to be placed, then the locking bolt 20 is screwed down to fix the movable sleeve 19, the pressing head 23 is pulled upwards to place the food on the bearing plate 17, the spring 24 and the pressing head 23 are used to fix the food on the bearing plate 17, the vacuum pump 35 is used to vacuumize the freezing chamber 2 and the heating chamber 3 to form a negative pressure state inside, then the food is frozen through the refrigerator 34 and the cooling plate 25, at the moment, the closing plate 14 closes the heating chamber 3, after freezing is completed, the driving motor 13 is started, the output shaft of the driving motor 13 rotates to drive the screw 12 to rotate, the screw 12 rotates to drive the nut 11 to move up and down, the nut 11 moves to drive the moving frame 10 to move the bearing plate 17, and frozen materials are sent from the freezing chamber 2 to the heating chamber 3, at this time, the closing plate 14 closes the freezing chamber 2, and the electric heater 27 heats the food inside the heating chamber 3, so that the solid water is sublimated to the gaseous state, and the gaseous water is discharged by the vacuum pump 35, so that the moisture in the food can be volatilized, and the storage effect can be improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a food storage device with drying function which characterized in that: the food drying machine comprises a machine body (1), wherein a freezing chamber (2) and a heating chamber (3) are formed in the machine body (1), a partition plate (4) is fixedly installed between the freezing chamber (2) and the heating chamber (3), the surfaces of the top and the bottom of the partition plate (4) are fixedly connected with heat insulation plates (5), a material passing opening (6) is formed in the central parts of the two heat insulation plates (5) and the partition plate (4), and a food moving mechanism (7) is installed in the material passing opening (6);

the food moving mechanism (7) comprises a supporting frame (8), the supporting frame (8) is fixedly installed inside the heating chamber (3), a plurality of guide sleeves (9) are fixedly connected inside the supporting frame (8), a plurality of moving frames (10) are slidably connected inside the guide sleeves (9), nuts (11) are fixedly installed at the central parts of the moving frames (10), screw rods (12) are connected to the inner threads of the nuts (11), driving motors (13) are fixedly connected to the bottom ends of the screw rods (12), two closing plates (14) are arranged at the top of the moving frames (10), the two closing plates (14) are matched with the material passing port (6), sealing rings (15) are fixedly connected to the side surfaces of the two closing plates (14), a plurality of connecting rods (16) are fixedly connected between the closing plates (14), and a plurality of bearing plates (17) are fixedly connected between the connecting rods (16), bearing board (17) top central authorities department has seted up material recess (18), bearing board (17) top is equipped with a plurality of movable sleeve (19), every equal threaded connection in movable sleeve (19) one side has locking bolt (20), and is a plurality of fixedly connected with dead lever (21) between movable sleeve (19), it is a plurality of fixedly connected with fixes cover (22) between dead lever (21), fixed cover (22) inside sliding connection has compressing head (23), spring (24) have been cup jointed between compressing head (23) and fixed cover (22).

2. The food storage device with drying function of claim 1, wherein: the inside fixed mounting of freezer (2) has cooling plate (25), inside fixed mounting of heating chamber (3) has heating plate (26).

3. The food storage device with drying function of claim 2, wherein: heating plate (26) fixed surface installs electric heater (27), opening (28), two have all been seted up to freezer (2) and heating chamber (3) one side opening (28) outside all articulates there is switch door (29).

4. The food storage device with drying function of claim 3, wherein: two temperature controller (30) are all installed on switch door (29) surface, temperature controller (30) include singlechip (31), singlechip (31) output is connected with display screen (32), singlechip (31) input is connected with a plurality of temperature sensor (33), singlechip (31) output is connected with refrigerator (34).

5. The food storage device with drying function of claim 4, wherein: the temperature sensors (33) are respectively installed in the freezing chamber (2) and the heating chamber (3), the refrigerating machine (34) is communicated with the cooling disc (25), and the electric heater (27) is connected with the output end of the single chip microcomputer (31).

6. The food storage device with drying function of claim 1, wherein: the one side of opening (28) is kept away from in freezer (2) and heating chamber (3) has all seted up the evacuation mouth, the inside fixed mounting of evacuation mouth has the solenoid valve, two the equal fixed mounting of evacuation mouth tip has evacuation pump (35).

7. The food storage device with drying function of claim 6, wherein: and one side of each of the two vacuumizing pumps (35) is connected with a recovery box (36), and the recovery boxes (36) are communicated with the vacuumizing pumps (35).

8. The food storage device with drying function of claim 7, wherein: the inside fixed mounting of collection box (36) has U-shaped pipe (37), U-shaped pipe (37) one end is connected with two evacuation pumps (35), U-shaped pipe (37) inside corner fixed mounting has cooling coil (38).

9. The food storage device with drying function of claim 8, wherein: the bottom end of the U-shaped pipe (37) is communicated with a liquid storage tank (39), and a switch valve (40) is installed on the liquid storage tank (39).