Novel domestic and commercial dual-purpose food fermentation machine

Abstract

The utility model provides a novel domestic and commercial dual-purpose food fermentation machine which comprises an upper cover, at least one fermentation frame with a circulating air duct and a main machine which are sequentially arranged from top to bottom, and the fermentation frames with the circulating air duct can be stacked in the vertical direction. According to the utility model, the design of the fermentation frames capable of being stacked is adopted, so that the requirement of multiplied increase and decrease of different fermentation amounts can be met by only increasing and decreasing the number of the fermentation frames without replacing the whole set of equipment, and the expansibility, the economical efficiency and the adaptability of products are improved to the maximum extent; according to the present invention, the matching design of the main machine, the overlaid fermentation frame and the upper cover is adopted, the fermentation region, the heating (refrigeration) region, the circulation air channel region and the through region are constructed, and the circulation fan on the circulation air separation plate operates so as to further improve the temperature precision and the temperature consistency of the fermentation region, such that the fermentation quality can be easily improved.

Description

Technical Field

[0001] The invention relates to the technical field of fermentation machines, and in particular to a novel food fermentation machine for both home and commercial use. Background Art

[0002] Food fermentation machine is a common kitchen appliance used for fermenting food. There are many types, such as yogurt machine, rice wine machine, natto machine, etc., which are used for making and fermenting yogurt, rice wine, natto and other fermented foods at home.

[0003] Currently, fermentation machines on the market are generally designed with fixed capacity. If the fermentation volume needs to be increased, an additional machine must be purchased, which adds unnecessary expenses to the family. At the same time, most fermentation machines use bottom heating, and only heat and control the temperature of the fermentation area through heat conduction and heat radiation. This heating and temperature control method has the characteristic of poor temperature consistency. The temperature of the area close to the heating source in the fermentation area is high, and the temperature of the area far from the heating source is low, which leads to low quality of fermented food. Summary of the invention

[0004] In order to solve the above problems, the present invention discloses a novel food fermentation machine for both home and commercial use.

[0005] The specific plan is as follows:

[0006] A novel food fermentation machine for both home and commercial use, characterized in that it comprises an upper cover, a fermentation frame with a self-circulating air duct and a main unit which are arranged in sequence from top to bottom, wherein there is at least one fermentation frame with a self-circulating air duct and the frames can be stacked in the vertical direction, and a plurality of fermentation frames can be stacked and used according to the actual fermentation volume requirements, the fermentation frame with a self-circulating air duct comprises a frame body, a circulating air duct partition and a movable fermentation grid frame, the frame body is a rectangular frame structure, there are two circulating air duct partition plates, which are symmetrically arranged on the left and right sides of the inner cavity of the frame, and the two circulating air duct partition plates divide the inner cavity of the frame into a fermentation area in the middle and a circulating air duct area on the left and right sides, there is at least one movable fermentation grid frame, which is installed in the fermentation area, one or more layers of the movable fermentation grid frame can be placed as needed to carry fermented materials or fermentation containers, an upper interface of the fermentation frame is provided in the middle of the top edge of the frame body, a lower interface of the fermentation frame is inserted in the bottom edge, and the upper interface of the fermentation frame can cooperate with the insertion The air in the air circulation duct is connected to the lower interface of the fermentation frame, the top edge of the circulating air duct baffle is provided with an upper interface of the air duct baffle, the bottom edge is plugged with a lower interface of the air duct baffle, and the upper interface of the air duct baffle can be plugged in the lower interface of the air duct baffle; the bottom edge of the upper cover is provided with a lower interface of the upper cover, and the upper interface of the fermentation frame can be plugged in the lower interface of the upper cover, the inner cavity of the upper cover is connected with the circulating air duct area and the fermentation area to form a through area, and the air in the circulating air duct will enter the through area without obstruction, and then directly flow back downward into the fermentation area; a circulating air baffle is installed in the main unit, and a circulating fan that can form a downward wind direction in the fermentation area is installed in the middle of the circulating air baffle, and circulating air baffle outlets are opened on both sides, and the circulating air baffle outlet is connected with the circulating air duct area, an aluminum liner is provided below the circulating air baffle, and a heating and cooling component is installed at the bottom of the aluminum liner, a main unit upper interface is provided on the top edge of the main unit, and the main unit upper interface can be plugged in the lower interface of the fermentation frame.

[0007] Preferably, the side wall of the frame is a double-layer structure, and the middle is filled with frame insulation material.

[0008] Preferably, the upper interface of the fermentation frame is an annular protrusion structure, and the bottom edge of the lower interface of the fermentation frame is provided with an annular groove, which can play a sealing role when multiple fermentation frames are stacked; when the fermentation frame is covered with the upper interface of the main machine and the lower interface of the upper cover, it can play a sealing role.

[0009] Preferably, the interface on the air duct partition is a plug-in structure, and the bottom edge of the lower interface of the air duct partition is provided with a slot structure. When multiple layers of fermentation frames are stacked, the upper and lower circulating air baffles can be tightly combined; when the fermentation frame is matched with the main unit, the lower interface of the circulating air duct partition is matched and sealed with the air outlet position of the circulating air baffle in the main unit.

[0010] Preferably, the middle portion of the top surface of the upper cover is concave upwards, and is composed of an upper shell and a lower shell, wherein the space between the upper and lower shells is filled with upper cover insulation material.

[0011] Preferably, the main unit is composed of a main unit upper shell and a main unit lower shell, the circulating air baffle is installed inside the main unit upper shell, a temperature sensor is installed at the air outlet of the circulating air baffle, the heating and cooling component includes an electric heating plate and a refrigeration component, the refrigeration component includes a semiconductor refrigeration plate, a cold block, an aluminum radiator and a cooling fan; a ventilation flap is provided at the air outlet of the circulating air baffle, and an air inlet and an air outlet are provided, a vortex fan is installed at the lower end of the air inlet, when the vortex fan is running, the ventilation flap is blown open by the wind under strong wind pressure, and the high-pressure air enters the inner cavity of the equipment, and at the same time, the air in the equipment is discharged through the air outlet under the action of negative pressure. When the vortex fan stops running, the ventilation flap falls naturally to isolate the inflow of external air and the outflow of internal air; an insulation layer is installed under the electric heating plate to play a heat preservation role, and an inner lining plate is installed under the insulation layer to fix the electric heating plate (refrigeration component) and the insulation layer; a cooling fan air inlet is designed at the bottom of the lower shell of the main unit, and a cooling fan air outlet is designed on the side, which plays the role of cooling fan air intake and exhaust when the equipment is installed with a refrigeration component.

[0012] The beneficial effects of the present invention are as follows: a stackable fermentation frame design is adopted, so that the needs of doubling the fermentation volume can be met without replacing the entire set of equipment, only by increasing or decreasing the number of fermentation frames, thereby maximizing the expansibility, economy and adaptability of the product; the overall design of the main unit, the stackable fermentation frame and the upper cover are coordinated to construct the fermentation area, the heating (cooling) area, the circulating air duct area, and the through area. Through the operation of the circulating fan on the circulating air baffle, the accuracy and consistency of the temperature in the fermentation area are further improved, which is beneficial to improving the fermentation quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of a single fermentation frame of the present invention.

[0014] Figure 2 It is a schematic diagram of the structure of multiple fermentation frames of the present invention.

[0015] Figure 3 It is a cross-sectional view of the upper cover in the present invention.

[0016] Figure 4 It is a schematic diagram of the fermentation frame with self-contained circulating air duct in the present invention.

[0017] Figure 5 It is a cross-sectional view of the fermentation frame with self-contained circulating air duct in the present invention.

[0018] Figure 6 It is a schematic diagram of the host in the present invention.

[0019] Figure 7It is a cross-sectional view of the host in the present invention.

[0020] Figure 8 It is a bottom view of the main body in the present invention.

[0021] Fig. 9 Schematic diagram of the internal area in the present invention.

[0022] Fig.10 This is a diagram of the internal air circulation of a single fermentation frame of the present invention, wherein the arrow indicates the direction of air circulation.

[0023] Fig.11 This is a diagram of the internal air circulation when there are multiple fermentation frames in the present invention, wherein the arrows indicate the direction of air circulation.

[0024] List of reference numerals:

[0025] 1-upper cover, 11-upper cover lower interface, 12-upper shell, 13-lower shell, 14-upper cover insulation material, 2-self-contained circulating air duct fermentation frame, 21-frame, 22-circulating air duct partition, 23-movable fermentation grid, 24-fermentation frame upper interface, 25-fermentation frame lower interface, 26-interface on air duct partition, 27-air duct partition lower interface, 28-grid support, 29-frame insulation material, 3-host, 31-host upper shell, 32-host lower shell, 33-circulating air partition, 34-air outlet, 35-temperature sensor, 36 -circulation fan, 37-fan air inlet, 38-interface on the host, 39-aluminum liner, 311-electric heating plate, 312-aluminum radiator, 313-cooling fan, 314-cooling fan air inlet, 315-installation slot, 316-ventilation flap, 317-vortex fan, 318-cooling fan air outlet, 319-insulation layer, 320-control panel, 321-power socket, 322-external air inlet, 323-external air outlet, 4-fermentation area, 5-circulation air duct area, 6-through area, 7-heating (cooling) area. DETAILED DESCRIPTION

[0026] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0027] As shown in the figure, the utility model provides a novel food fermentation machine for both home and commercial use, comprising an upper cover 1, a fermentation frame 2 with a self-circulating air duct and a main unit 3 which are arranged in sequence from top to bottom, wherein there is at least one fermentation frame with a self-circulating air duct and they can be stacked in the vertical direction, the fermentation frame with a self-circulating air duct comprises a frame body 21, a circulating air duct partition 22 and a movable fermentation grid frame 23, the frame body is a rectangular frame structure, there are two circulating air duct partitions, which are symmetrically arranged on the left and right sides of the frame inner cavity, and the two circulating air duct partitions divide the frame inner cavity into a fermentation area 4 located in the middle, and a circulating air duct area 5 located on the left and right sides, there is at least one movable fermentation grid frame, which is installed in the fermentation area and supported by a grid frame support 28, a fermentation frame upper interface 24 is provided in the middle of the top edge of the frame, a fermentation frame lower interface 25 is inserted in the bottom edge, and the fermentation frame upper interface can be plugged in with the fermentation frame lower interface In the embodiment, the top edge of the circulating air duct partition is provided with an upper interface 26 of the air duct partition, and the bottom edge is plugged with a lower interface 27 of the air duct partition, and the upper interface of the air duct partition can be plugged in the lower interface of the air duct partition; the bottom edge of the upper cover is provided with a lower interface 11 of the upper cover, and the upper interface of the fermentation frame can be plugged in the lower interface of the upper cover, the inner cavity of the upper cover is connected with the circulating air duct area and the fermentation area to form a through area 6; a circulating air baffle is installed in the main unit, and a circulating fan 36 that can form a downward wind direction in the fermentation area is installed in the middle of the circulating air baffle, and circulating air baffle outlets are opened on both sides, and the circulating air baffle outlets are connected with the circulating air duct area, an aluminum liner 39 is provided below the circulating air baffle, and a heating and cooling component is installed at the bottom of the aluminum liner to form a heating (cooling) area 7, and a main unit upper interface is provided on the top edge of the main unit, and the main unit upper interface 38 can be plugged in the lower interface of the fermentation frame.

[0028] Among them, when the host is completely consistent with the stackable fermentation frame (one or two to four stackable fermentation frames) and the upper cover, the inside of the equipment is divided into: a through area, a fermentation area, a heating (cooling) area, and a circulating air duct area. The fermentation area and the heating (including cooling) area are divided by a circulating air baffle, and a circulating fan is installed in the center of the circulating air baffle. When the circulating fan is running, the wind direction is downward, and the air is forced to be sucked into the heating (including cooling) area from the fermentation area in one direction, and blown directly on the aluminum liner, and heated or cooled by the heating and cooling components at the bottom of the aluminum liner. Through heat radiation and heat conduction, the air temperature rises (or decreases), and then enters the circulating air duct of the fermentation frame through the air outlets on both sides of the circulating air baffle, and rises to the through area in the upper cover, and then flows back to the fermentation area. A temperature sensor is installed at the outlet of the circulating air baffle. The control system controls the on and off of the heating (cooling) components and adjusts the circulating wind speed, so that the air temperature in the fermentation area can be accurately controlled to meet the requirements of food fermentation for temperature accuracy and consistency.

[0029] In this embodiment, the side wall of the frame is a double-layer structure, and the middle is filled with frame insulation material.

[0030] In this embodiment, the upper interface of the fermentation frame is an annular protrusion structure, and the bottom edge of the lower interface of the fermentation frame is provided with an annular groove, which can play a sealing role when multiple fermentation frames are stacked; when the fermentation frame is covered with the upper interface of the main unit and the lower interface of the upper cover, it can play a sealing role.

[0031] In this embodiment, the upper interface of the air duct partition is a plug-in structure, and the bottom edge of the lower interface of the air duct partition is provided with a slot structure. When multiple layers of fermentation frames are stacked, the upper and lower circulating air baffles can be tightly combined; when the fermentation frame is matched with the main unit, the lower interface of the circulating air duct partition is matched and sealed with the air outlet position of the circulating air baffle in the main unit.

[0032] In this embodiment, the middle portion of the top surface of the upper cover is concave upwards, and is composed of an upper shell 12 and a lower shell 13, wherein the space between the upper and lower shells is filled with an upper cover heat-insulating material 14.

[0033] In this embodiment, the main unit is composed of a main unit upper shell 31 and a main unit lower shell 32, the circulating air baffle 33 is horizontally installed inside the main unit upper shell, and the inner wall of the upper shell and the bottom of the electric heating plate are provided with an insulation layer 319, a control panel 320 is provided on the upper side, a power socket 321 is provided on the bottom of the side, and an external air inlet and an external air outlet are provided at the bottom of the lower shell; a fan air inlet 37 is provided in the middle of the circulating air baffle, and air outlets 34 are left on the left and right sides, and a temperature sensor 35 is installed at the air outlet 34, and the temperature sensor 35 is fixed by the mounting groove 315, and the heating The refrigeration component includes an electric heating plate 311 and a refrigeration component, and the refrigeration component includes a semiconductor refrigeration plate, a cooling block, an aluminum radiator 312, a cooling fan 313, and a cooling fan air inlet 314 and a cooling fan air outlet 318 arranged at the bottom and side of the cooling fan; a ventilation flap 316 is provided at the air outlet of the circulating air baffle, and an air inlet and an air outlet are provided, and a vortex fan 317 is installed at the lower end of the air inlet. When the vortex fan is running, the ventilation flap is blown open by the wind under strong wind pressure, and the high-pressure air enters the inner cavity of the equipment. At the same time, the air in the equipment is discharged through the air outlet under the action of negative pressure. When the vortex fan stops running, the ventilation flap falls naturally to isolate the inflow of external air and the outflow of internal air; an insulation layer is installed under the electric heating plate to play a heat preservation role, and an inner lining plate is installed under the insulation layer to fix the electric heating plate (refrigeration component) and the insulation layer; a cooling fan air inlet is designed at the bottom of the lower shell of the main unit, and a cooling fan air outlet is designed on the side, which plays the role of cooling fan air intake and exhaust when the equipment is installed with a refrigeration component.

[0034] The technical means disclosed in the scheme of the present invention are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical schemes composed of any combination of the above-mentioned technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims

1. A new type of food fermentation machine for both home and commercial use. It is characterized in that The invention comprises an upper cover, a fermentation frame with a self-circulating air duct and a main unit which are arranged in sequence from top to bottom, wherein there is at least one fermentation frame with a self-circulating air duct and they can be stacked in the vertical direction, the fermentation frame with a self-circulating air duct comprises a frame body, a circulating air duct partition and a movable fermentation grid frame, the frame body is a rectangular frame structure, there are two circulating air duct partitions, which are symmetrically arranged on the left and right sides of the inner cavity of the frame, and the two circulating air duct partitions divide the inner cavity of the frame into a fermentation area located in the middle and circulating air duct areas located on the left and right sides, there is at least one movable fermentation grid frame which is installed in the fermentation area, an upper interface of the fermentation frame is provided in the middle of the top edge of the frame body, a lower interface of the fermentation frame is inserted in the bottom edge, and the upper interface of the fermentation frame can be plugged in the lower interface of the fermentation frame, and the top edge of the circulating air duct partition is provided with a There is an upper interface on the air duct partition, and a lower interface of the air duct partition is inserted on the bottom edge, and the upper interface of the air duct partition can be inserted in the lower interface of the air duct partition; the lower edge of the upper cover is provided with an upper cover lower interface, and the upper interface of the fermentation frame can be inserted in the lower interface of the upper cover, and the inner cavity of the upper cover is connected with the circulating air duct area and the fermentation area to form a through area; a circulating air baffle is installed in the main engine, and a circulating fan that can form a downward wind direction in the fermentation area is installed in the middle of the circulating air baffle, and circulating air baffle outlets are opened on both sides, and the circulating air baffle outlet is connected with the circulating air duct area, an aluminum inner liner is provided under the circulating air baffle, and a heating and cooling component is installed at the bottom of the aluminum inner liner, and an upper interface of the main engine is provided on the top edge of the main engine, and the upper interface of the main engine can be inserted in the lower interface of the fermentation frame.

2. A novel food fermentation machine for both home and commercial use according to claim 1, It is characterized in that The side wall of the frame is a double-layer structure, and the middle is filled with frame heat-insulating material.

3. A novel food fermentation machine for both home and commercial use according to claim 1, It is characterized in that The upper interface of the fermentation frame is an annular protrusion structure, and the bottom edge of the lower interface of the fermentation frame is provided with an annular groove.

4. A novel food fermentation machine for both home and commercial use according to claim 1, It is characterized in that The upper interface of the air duct partition is a plug-in structure, and the bottom edge of the lower interface of the air duct partition is provided with a slot structure.

5. A novel food fermentation machine for both home and commercial use according to claim 1, It is characterized in that The middle part of the top surface of the upper cover is concave upwards, and is composed of an upper shell and a lower shell, wherein the space between the upper and lower shells is filled with upper cover heat-insulating material.

6. A novel food fermentation machine for both home and commercial use according to claim 1, It is characterized in that The main unit is composed of an upper shell of the main unit and a lower shell of the main unit. The circulating air baffle is installed inside the upper shell of the main unit. A temperature sensor is installed at the air outlet of the circulating air baffle. The heating and cooling component includes an electric heating plate and a refrigeration component. The refrigeration component includes a semiconductor refrigeration plate, a cold conduction block, an aluminum radiator and a cooling fan. A ventilation flap is provided at the air outlet of the circulating air baffle, and an air inlet and an air outlet are provided. A vortex fan is installed at the lower end of the air inlet. An insulation layer is installed under the electric heating plate, and an inner lining plate is installed under the insulation layer. A cooling fan air inlet is designed at the bottom of the lower shell of the main unit, and a cooling fan air outlet is designed on the side.

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