Novel hot air circulation layered oven

Abstract

The utility model relates to a novel hot air circulation layered oven which comprises an outer shell fixedly installed on a base, a heat preservation box is fixedly installed in the outer shell, a supporting frame of a multi-layer structure is installed in the heat preservation box, a sliding base is connected to the upper portion of each layer of supporting frame in a sliding mode, and the upper portion of each layer of supporting frame is provided with a heating device. After the food is heated, the electromagnetic valve is opened through the control panel, the air extracting pump is started, water vapor in the heat preservation box enters the condensation pipe along the air sucking pipe under the suction effect of the air extracting pump, the water vapor makes contact with high-temperature water vapor through fins, and the water vapor in the heat preservation box enters the condensation pipe along the air sucking pipe. High-temperature water vapor is rapidly cooled and condensed to form water drops which are gathered in the condensation pipe and finally discharged through the drainage pipe installed on the bottom wall of the middle section of the condensation pipe, and the problems that the water vapor is condensed in the heat preservation box, an oven is easily corroded, and the service life of the oven is seriously affected are solved as much as possible.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oven technical field, concretely relates to a novel hot air circulation layered oven. BACKGROUND

[0002] The hot air oven is a kind of high-efficiency baking equipment specially designed for food processing industry and the place needing to bake articles, and he utilizes hot air circulation system to make heat energy evenly distributed in the baking process, to ensure that baking effect is consistent and efficient.

[0003] In the process of drying food by the hot air oven, the moisture in food will vaporize due to high temperature, and after baking, part of the vaporized water vapor will be retained in the oven, and when the temperature in the oven decreases, the water vapor will recondense to form water droplets, which will adhere to the inner wall of the oven and cause corrosion, seriously affecting the service life of the oven. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a novel hot air circulation layered oven with simple structure and reasonable design to solve the above problems.

[0005] The utility model realizes the above-mentioned purposes by the following technical solutions:

[0006] A novel hot air circulation layered oven, comprising an outer shell body fixedly installed on a base, a heat preservation box fixedly installed in the outer shell body, a support frame of multi-layer structure installed inside the heat preservation box, a sliding seat slidingly connected above each layer of the support frame, a tray for containing food overlapped on the sliding seat, a hot air circulation system for heating food installed in the heat preservation box, a control panel for controlling the hot air circulation system installed on the front end side wall of the outer shell body, a containing cavity formed between the heat preservation box behind the control panel and the outer shell body, a water tank fixedly connected with the outer wall of the heat preservation box inside the containing cavity, cooling water contained in the water tank, an air suction pipe fixedly connected with the inner cavity of the heat preservation box at one end of the water tank, an electromagnetic valve electrically connected with the control panel installed at the connection between the air suction pipe and the water tank, an air exhaust pipe fixedly connected with the other end of the water tank, the adjacent ends of the air suction pipe and the air exhaust pipe extending to the inside of the water tank, a condenser pipe fixedly connected between the adjacent ends of the air suction pipe and the air exhaust pipe and immersed in the cooling water, an air suction pump electrically connected with the control panel installed on the end of the air exhaust pipe outside the water tank, a drain pipe provided below the middle segment of the condenser pipe, one end of the drain pipe communicated with the inside of the condenser pipe, and the other end of the condenser pipe penetrating through the base and extending below the base, and an air exhaust hole provided on the rear side wall of the containing cavity.

[0007] As a further optimization scheme of the utility model, the base is rectangular plate structure, a plurality of bottom heat dissipation holes are formed on the base, four matrix distributed supporting legs are fixedly installed on the bottom of the base.

[0008] As a further optimization scheme of the utility model, the shell body is provided with a material port on the side away from the hot air circulation system, the sliding seat can slide to the outside of the shell body through the material port, a sealing plate is fixedly connected to one end of the sliding seat close to the material port, a handle is fixedly installed on the outer side wall of the sealing plate.

[0009] As a further optimization scheme of the utility model, the hot air circulation system comprises a mounting seat fixedly installed on the side wall of the heat preservation box, a motor is fixedly connected to the mounting seat, an impeller is fixedly connected to the output end of the motor and located in the heat preservation box, an electric heating disc for heating air is installed between the impeller and the supporting frame, a side heat dissipation hole is also formed on the base rear the motor.

[0010] As a further optimization scheme of the utility model, an air inlet pipe is fixedly connected to the top wall of the heat preservation box, one end of the air inlet pipe is communicated with the inner cavity of the heat preservation box, and the other end of the air inlet pipe extends to the outside of the shell body rearward of the heat preservation box.

[0011] As a further optimization scheme of the utility model, the condensing pipe is a circular pipe structure, the inner diameter of the two ends of the condensing pipe gradually increases to the inner diameter of the middle section of the condensing pipe.

[0012] As a further optimization scheme of the utility model, a plurality of fins extending into the condensing pipe are fixedly installed on the circumferential side of the condensing pipe.

[0013] The utility model discloses the beneficial effect lies in: after the food heating is completed, opens the electromagnetic valve through the control panel, and starts the air suction pump, makes the water vapor in the heat preservation box under the suction of the air suction pump and enters into the condensing pipe along the air suction pipe, and utilizes the fin and high temperature water vapor contact, makes high temperature water vapor rapidly cool down and condenses and forms the water drop gathering in the condensing pipe, finally passes through the drain pipe installed on the bottom wall of the middle section of the condensing pipe and discharges, avoids the water vapor condensation in the heat preservation box as far as possible, is easy to cause the corrosion of the oven, seriously influences the oven service life problem. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the whole section structure schematic diagram of the utility model;

[0016] Figure 3 It is the internal structure schematic diagram of the heat preservation box of the utility model;

[0017] Figure 4 is the installation position schematic view of the water tank of the utility model;

[0018] Figure 5 is the internal structure schematic view of the water tank of the utility model.

[0019] In the figure: 1, base; 2, support leg; 3, outer shell; 4, heat preservation box; 5, support frame; 6, sliding seat; 7, tray; 8, handle; 9, mounting seat; 10, motor; 11, impeller; 12, electric heating disc; 13, side heat dissipation hole; 14, air inlet pipe; 15, control panel; 16, containing cavity; 17, water tank; 18, air suction pipe; 19, electromagnetic valve; 20, exhaust pipe; 21, condensing pipe; 22, fin; 23, drain pipe; 24, exhaust hole; 25, air suction pump. DETAILED DESCRIPTION

[0020] The following further describes the present application in conjunction with the drawings, and it is necessary to point out here that the following detailed description is only used to further illustrate the present application, and cannot be understood as limiting the protection scope of the present application, and the skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.

[0021] EMBODIMENT

[0022] As Figure 1 - Figure 5 shown, a new hot air circulation layered oven, including fixedly installed on the base 1 on the outer shell 3, the base 1 is rectangular plate structure, the base 1 is provided with a plurality of bottom heat dissipation holes, the base 1 bottom is fixedly installed with four matrix distribution support legs 2, setting up the support leg 2 is used to support the base 1 bottom to the appropriate height, make the base 1 lower surface and the support of the lower part is separated, facilitate through the bottom heat dissipation hole to carry out heat dissipation;

[0023] The outer shell 3 is fixedly installed with heat preservation box 4, the heat preservation box 4 is installed with the support frame 5 of multilayer structure inside, the sliding seat 6 is connected above each layer support frame 5, the tray 7 for containing food is lapped on the sliding seat 6, the outer shell 3 is provided with a material port away from the hot air circulation system side, the sliding seat 6 can be through the material port along the support frame 5 and shift to the outside of the outer shell 3, the end of the sliding seat 6 close to the material port is fixedly connected with the sealing plate, the sealing plate outer side wall is fixedly installed with handle 8, when using, the user can pull out the sliding seat 6 through the handle 8, drive the sliding seat 6 and move outward along the support frame 5 from the material port, can place the food to be heated and baked on the tray 7;

[0024] The heat preservation box 4 is further provided with a hot air circulation system for heating food, the hot air circulation system comprises a mounting seat 9 fixedly installed on the rear side wall of the heat preservation box 4, the mounting seat 9 is fixedly connected with a motor 10, the output end of the motor 10 is fixedly connected with an impeller 11 located in the heat preservation box 4, the impeller 11 is installed between the support frame 5 and an electric heating disc 12 for heating air, the base 1 at the rear of the motor 10 is further provided with a side heat dissipation hole 13 for heat dissipation of the motor 10, and the front end side wall of the outer shell 3 is provided with a control panel 15 for controlling the hot air circulation system; after the food is placed in the tray 7, the slide seat 6 is pushed into the heat preservation box 4 together with the tray 7 in the reverse direction, at this time, the sealing plate is tightly attached to the material port to seal the material port, and the user can open the motor 10 to drive the impeller 11 to rotate through the control panel 15, and at the same time, the electric heating disc 12 is connected to electricity through the control panel 15, at this time, the motor 10 drives the impeller 11 to rotate to stir the air in the heat preservation box 4 to circulate, and the high-temperature gas is uniformly delivered to the tray 7 above the multi-layer support frame 5 through the electric heating disc 12 to uniformly heat the food in the tray 7, and the heat preservation box 4 is provided with a temperature sensor connected with the control panel 15 for measuring the temperature in the heat preservation box 4;

[0025] The top wall of the heat preservation box 4 is fixedly connected with an air inlet pipe 14, one end of the air inlet pipe 14 is communicated with the inner cavity of the heat preservation box 4, and the other end of the air inlet pipe 14 extends to the outside of the outer shell 3 rearward of the heat preservation box 4, so as to suck the air in the external environment into the heat preservation box 4 to balance the air pressure inside and outside the heat preservation box 4;

[0026] The heat preservation box 4 at the rear of the control panel 15 and the outer shell 3 form a containing cavity 16, the containing cavity 16 is provided with a water tank 17 fixedly connected with the outer wall of the heat preservation box 4, the water tank 17 is filled with cooling water, one end of the water tank 17 is fixedly connected with an air suction pipe 18 communicated with the inner cavity of the heat preservation box 4, the connection part between the air suction pipe 18 and the water tank 17 is provided with an electromagnetic valve 19 electrically connected with the control panel 15, the other end of the water tank 17 is fixedly connected with an air exhaust pipe 20, the adjacent ends of the air suction pipe 18 and the air exhaust pipe 20 extend to the inside of the water tank 17, and the adjacent ends of the air suction pipe 18 and the air exhaust pipe 20 are fixedly connected with a condensing pipe 21 immersed in the cooling water, and one end of the air exhaust pipe 20 located outside the water tank is provided with a suction pump 25 electrically connected with the control panel 15; the condensing pipe 21 has a circular tube structure, the inner diameters of the two ends of the condensing pipe 21 gradually increase to the middle section of the condensing pipe 21, the bottom wall height of the middle section of the condensing pipe 21 is lower than that of the two ends of the condensing pipe 21, so that the condensed water generated after condensation can be collected in the middle section of the condensing pipe 21;

[0027] The condenser pipe 21 is fixedly installed with a plurality of fins 22 extending into the condenser pipe 21 at the side of the condenser pipe 21, and a drain pipe 23 is arranged below the middle section of the condenser pipe 21, one end of the drain pipe 23 communicates with the inside of the condenser pipe 21, and the other end of the condenser pipe 21 penetrates through the base 1 and extends below the base 1, for discharging the condensed water generated after condensation. An air exhaust hole 24 is arranged on the rear side wall of the containing cavity 16, for discharging the air after dehumidification, and simultaneously cooling the high-temperature air to prevent scalding.

[0028] It should be noted that, when the hot air circulating layered oven is used, the handle 8 is pulled outward to pull the sliding seat 6 outward along the support frame 5 to pull out the material opening, the food to be heated and baked is placed on the tray 7, and then the sliding seat 6 is pushed into the heat preservation box 4 together with the tray 7, at this time, the sealing plate is attached to the material opening to seal the material opening, the user can open the motor 10 to drive the impeller 11 to rotate through the control panel 15, and the electric heating disc 12 is connected to electricity through the control panel 15, at this time, the motor 10 drives the impeller 11 to rotate to stir the air in the heat preservation box 4 to circulate, and the high-temperature gas is uniformly delivered to the tray 7 above the multi-layer support frame 5 through the electric heating disc 12 to uniformly heat the food in the tray 7, after the food is heated and taken out, the user can open the electromagnetic valve 19 and start the air suction pump 25 through the control panel 15, and the air suction pump 25 is used to suck the gas containing a large amount of water vapor in the heat preservation box 4 into the condenser pipe 21 along the air suction pipe 18, since the condenser pipe 21 is fixedly connected with a plurality of fins 22 made of metal and extending into the condenser pipe 21 at one end and immersed in the cooling water in the water tank 17 at the other end, the fins 22 always maintain a low temperature, the high-temperature water vapor can be rapidly cooled and condensed to form water droplets after contacting the fins 22, and the water droplets are gathered in the condenser pipe 21, and finally discharged through the drain pipe 23 arranged on the bottom wall of the middle section of the condenser pipe 21, so as to avoid the condensation of water vapor in the heat preservation box 4, which can easily corrode the oven and seriously affect the service life of the oven.

[0029] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. A novel hot air circulating layered oven, comprising an outer shell (3) fixedly mounted on a base (1), a heat preservation box (4) fixedly mounted inside the outer shell (3), a multi-layered support frame (5) installed inside the heat preservation box (4), a slide seat (6) slidably connected above each layer of the support frame (5), a tray (7) for holding food resting on the slide seat (6), and a hot air circulation system for heating food installed inside the heat preservation box (4), characterized in that: The front end side wall of the outer shell (3) is provided with a control panel (15) for controlling the hot air circulation system, and a containing cavity (16) is formed between the rear of the control panel (15) and the outer shell (3), and a water tank (17) is fixedly connected to the outer wall of the heat preservation box (4) inside the containing cavity (16), cooling water is contained in the inner cavity of the water tank (17), one end of the water tank (17) is fixedly connected with an air suction pipe (18) communicating with the inner cavity of the heat preservation box (4), an electromagnetic valve (19) electrically connected with the control panel (15) is mounted at the connection between the air suction pipe (18) and the water tank (17), the other end of the water tank (17) is fixedly connected with an air exhaust pipe (20), the adjacent ends of the air suction pipe (18) and the air exhaust pipe (20) extend into the inner cavity of the water tank (17), a condenser pipe (21) immersed in the cooling water is fixedly connected between the adjacent ends of the air suction pipe (18) and the air exhaust pipe (20), an air suction pump (25) electrically connected with the control panel (15) is mounted on the end of the air exhaust pipe (20) outside the water tank, a drain pipe (23) is arranged below the middle section of the condenser pipe (21), one end of the drain pipe (23) communicates with the inner cavity of the condenser pipe (21), the other end of the condenser pipe (21) penetrates through the base (1) and extends below the base (1), and an air exhaust hole (24) is formed in the rear side wall of the containing cavity (16).

2. A novel hot air circulation layered oven as claimed in claim 1, wherein: The base (1) is in the form of a rectangular plate, a plurality of bottom heat dissipation holes are formed in the base (1), and four supporting legs (2) are fixedly installed on the bottom of the base (1) in a matrix distribution.

3. A novel hot air circulation layered oven as claimed in claim 1, wherein: A material port is formed in the side of the outer shell (3) away from the hot air circulation system, the sliding seat (6) can slide along the supporting frame (5) to the outside of the outer shell (3) through the material port, and a sealing plate is fixedly connected to one end of the sliding seat (6) close to the material port.

4. A novel hot air circulation layered oven as claimed in claim 1, wherein: The hot air circulation system comprises a mounting seat (9) fixedly installed on the side wall of the heat preservation box (4), an electric motor (10) fixedly connected to the mounting seat (9), an impeller (11) fixedly connected to the output end of the electric motor (10) and located in the inner cavity of the heat preservation box (4), an electric heating disc (12) for heating air installed between the impeller (11) and the supporting frame (5), and a plurality of side heat dissipation holes (13) formed in the base (1) behind the electric motor (10).

5. A novel hot air circulation layered oven as claimed in claim 1, wherein: An air inlet pipe (14) is fixedly connected to the top wall of the heat preservation box (4), one end of the air inlet pipe (14) communicates with the inner cavity of the heat preservation box (4), and the other end of the air inlet pipe (14) extends to the outside of the outer shell (3) rearward of the heat preservation box (4).

6. A novel hot air circulation layered oven as claimed in claim 1, wherein: The condenser pipe (21) is in the form of a circular tube, and the inner diameters of the two ends of the condenser pipe (21) gradually increase to the inner diameter of the middle section of the condenser pipe (21).

7. A novel hot air circulation layered oven as claimed in claim 6, wherein: A plurality of fins (22) extending into the condenser pipe (21) are fixedly installed on the circumferential side of the condenser pipe (21).

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