CN220459201U

CN220459201U - Air oven

Info

Publication number: CN220459201U
Application number: CN202321860770.4U
Authority: CN
Inventors: 李定中
Original assignee: Zhongshan City Tian Sen Electric Appliance Co ltd
Current assignee: Zhongshan City Tian Sen Electric Appliance Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-02-09
Anticipated expiration: 2033-07-14

Abstract

The utility model provides an air oven, includes the box, is provided with a baking chamber in the box, and one side in baking chamber is provided with the opening, is equipped with the open-ended door body on the box, and air supply mechanism is installed at the top in baking chamber, installs the piece that generates heat on the baking chamber of air supply mechanism below, baking chamber's top is provided with the mounting panel, and the mounting panel outside is connected with the heat exchanger, constitutes the mounting chamber between heat exchanger and the mounting panel, installs two at least sets of air supply mechanism in the mounting chamber, and every set of air supply mechanism includes induced air cover, air supply flabellum, exhaust fan leaf and motor; through the combined use of the same baking cavity and two sets of air supply mechanisms, no dead angle air blowing in the baking cavity can be realized, so that hot air can be more uniformly contacted with food 360 degrees in an omnibearing manner; and the noise of motor transmission can be reduced; the air speed of hot air is improved, so that the heat efficiency of baking is improved and the baking time is shortened.

Description

Air oven

Technical Field

The utility model relates to a baking appliance, in particular to an air oven.

Background

Currently, existing air ovens, such as chinese patent nos.: ZL202021178175.9 discloses a novel transmission mode double-pot air fryer, wherein a single motor is adopted to drive a double fan to rotate through a transmission box, so that two pot bodies can cook various food materials at the same time, and the cooking efficiency is improved; however, the air fryer with the structure has the advantages that the motor is required to transmit power to the two fans through the transmission box, the transmission efficiency is necessarily low, the fans cannot realize high rotation speed, and in addition, the belt and the belt pulley in the transmission box can generate higher noise when in operation, so that the use feeling of cooking is affected.

And as Chinese patent number: ZL202080004571.6 discloses a cooking device and part thereof, and the 0115 th paragraph of the specification discloses the following technical scheme: the system 20 includes two separate motors 78a, 78b configured to independently operate the air movement mechanisms 76a, 76b associated with the first and second internal compartments 28a, 28b, as can be seen in connection with the figures of this prior patent, the air movement mechanism 76a, the motor 78a, the first internal compartment 28a being a set of separate cooking systems, the air movement mechanism 76b, the motor 78b, the first internal compartment 28b being a set of separate cooking systems, but the first and second internal compartments 28a, 28b being separated by a partition or wall 130 so that the first and second internal compartments 28a, 28b are two separate chambers that do not interfere with each other; the problem with this construction is that each chamber cannot be made large in volume, resulting in the inability to cook some relatively large pieces of food.

The present utility model provides an improved air oven that solves the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the existing problems and provide an air oven, which can realize no dead angle blowing in a baking cavity and ensure that hot air is more uniformly contacted with food in 360 degrees in all directions by combining the same baking cavity with two sets of air supply mechanisms; and the noise of motor transmission can be reduced; the air speed of hot air is improved, so that the heat efficiency of baking is improved and the baking time is shortened.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the air oven comprises a box body, wherein a baking cavity is arranged in the box body, an opening is formed in one side of the baking cavity, a door body for opening and closing the opening is arranged on the box body, an air supply mechanism is arranged at the top of the baking cavity, and a heating piece is arranged on the baking cavity below the air supply mechanism;

an air outlet communicated with the heat dissipation space is arranged at one end of the heat shield, and the air outlet is used for discharging hot air in the heat dissipation space out of the box body;

at least two air supply areas are arranged on the mounting plate, each air supply area corresponds to the air inducing covers on each set of air supply mechanism one by one, and air inducing holes communicated with the air inducing covers and the baking cavity are formed in each air supply area.

A baking cavity is arranged in the box body, two sets of air supply mechanisms are arranged in the mounting cavity, and each set of air supply mechanism comprises an induced draft hood, an air supply fan blade, an exhaust fan blade and a motor.

The air inducing covers on the two air supply mechanisms are connected into a whole through a connecting plate.

The outside of the mounting plate close to the air outlet is provided with a strengthening convex part which is approximately cuboid and has a width larger than that of the air outlet.

The mounting plate is provided with a mounting hole, and the mounting hole is provided with an illuminating lamp.

The heating piece comprises a plurality of upper heating pipes, the upper heating pipes are positioned at the upper part of the baking cavity and are close to the inner side of the mounting plate, two ends of each upper heating pipe are respectively connected and fixed with the side wall of the baking cavity, and part of pipe bodies of each upper heating pipe are overlapped with vertical projection areas of two air supply areas at the same time.

The heating piece further comprises a lower heating tube, the lower heating tube is located at the lower part of the baking cavity and is close to the bottom of the baking cavity, a steam generating disc is arranged above the lower heating tube, a water outlet groove and a protection plate are arranged on the steam generating disc, and the lower heating tube is located below the protection plate.

The back of the box body is connected with an exhaust box, the exhaust box is provided with an air outlet which is arranged upwards, and the exhaust box is also provided with an air inlet which is communicated with the air outlet.

The back of the box body is connected with a back plate, the exhaust box is detachably arranged on the back plate, an air deflector extends into the exhaust box on the back plate, and the air deflector is communicated with the air outlet and the air outlet.

A separation plate is arranged between the two induced air covers in the installation cavity.

The utility model has the advantages that:

(1) According to the air oven, the same baking cavity is combined with the two sets of air supply mechanisms, namely, the two air supply fan blades blow hot air to bake food in the cavity, the two air supply areas occupy larger area of the mounting plate, so that the hot air supply quantity in the baking cavity is more than several times of that in the prior art, dead angle-free blowing in the baking cavity can be realized, and the hot air is more uniformly contacted with the food in 360 degrees in all directions.

(2) According to the air oven disclosed by the utility model, each air supply fan blade is driven by the independent motor, so that the noise can be greatly reduced, and the problems of high noise and low transmission efficiency caused by the structure that in the prior art, only one motor transmits power to two fans through the transmission case are solved.

(3) According to the air oven disclosed by the utility model, each air supply fan blade is driven by the independent motor, the rotating speed of the fan blade is not attenuated, and the continuous output of the effective rotating speed can be ensured.

Drawings

Fig. 1 is a schematic cross-sectional view of the present utility model.

Fig. 2 is a schematic sectional view of the door body of the present utility model after being opened.

FIG. 3 is a schematic diagram of a heat shield and two sets of air supply mechanisms according to the present utility model.

FIG. 4 is a schematic diagram of a heat shield and two sets of air supply mechanisms according to the present utility model.

Fig. 5 is a schematic view of the structure of the heat shield of the present utility model.

FIG. 6 is a schematic cross-sectional view of a heat shield and two sets of air delivery mechanisms according to the present utility model.

Fig. 7 is a schematic structural view of the induced draft hood in the present utility model.

Fig. 8 is a schematic view of the structure of the mounting plate of the present utility model.

Fig. 9 is a schematic diagram of an exploded structure of the case, the back plate, and the exhaust box according to the present utility model.

Fig. 10 is a schematic view of the structure of the exhaust box in the present utility model.

Detailed Description

The utility model will be described in detail with reference to the accompanying drawings and examples

As shown in fig. 1-10, an air oven comprises a box body 1, wherein a baking cavity 2 is arranged in the box body 1, an opening 201 is arranged on one side of the baking cavity 2, a door body 3 for opening and closing the opening 201 is arranged on the box body 1, an air supply mechanism 4 is arranged at the top of the baking cavity 2, a heating element is arranged on the baking cavity 2 below the air supply mechanism 4, a mounting plate 6 is arranged at the top of the baking cavity 2, a heat insulation cover 7 is connected to the outer side of the mounting plate 6, a mounting cavity 8 is formed between the heat insulation cover 7 and the mounting plate 6, two sets of air supply mechanisms 4 are arranged in the mounting cavity 8, each set of air supply mechanism 4 comprises an induced air cover 401, an air supply fan blade 402, an exhaust fan blade 403 and a motor 404, at least two motor mounting positions 701 are arranged at the outer side of the top of the heat insulation cover 7, the motor 404 is fixedly arranged on the motor mounting positions 701, the induced air cover 401 is connected between the mounting plate 6 and the heat insulation cover 7, the induced air supply fan 402 is arranged in the induced air cover 401 and the heat insulation cover 7 to form a space 9, two sets of air supply mechanisms 4 are respectively arranged in the heat dissipation spaces 403, and the exhaust fan 403 and the exhaust fan 404 are respectively arranged in the heat dissipation shafts of the motor 403 and the induced air supply mechanism 4, and the exhaust fan 404 are respectively extended into the heat dissipation shafts of the motor 1 and the air exhaust fan 404 and the motor mounting positions and the motor;

an air outlet 702 communicated with the heat dissipation space 9 is arranged at one end of the heat shield 7, and the air exhaust fan blades 403 exhaust hot air of the heat dissipation space 9 from the air outlet 702 to the outside of the box body 1;

at least two air supply areas A are arranged on the mounting plate 6, each air supply area A corresponds to the air guide covers 401 on each set of air supply mechanism 4 one by one, and each air supply area A is provided with an air guide hole A1 communicated with the air guide cover 401 and the baking cavity 2.

The air oven of the embodiment uses the same baking cavity 2 and two sets of air supply mechanisms 4 in a combined way, and two air supply fan blades 402 are used for blowing the hot air to the food in the baking cavity 2, so that dead angle-free blowing in the baking cavity 2 can be realized, and the hot air can be more uniformly contacted with the food in 360 degrees in an omnibearing way; each air supply fan blade 402 is driven by an independent motor 404, so that the noise can be greatly reduced, and the problems of high noise and low transmission efficiency caused by the structure that in the prior art, only one motor transmits power to two fans through a transmission case are avoided; in this embodiment, each fan blade 402 is driven by an independent motor 404, and the rotation speed of the fan blade is not attenuated, so that the continuous output of the effective rotation speed can be ensured.

In addition, as two independent motors 404 are arranged, on a control circuit board (not shown in the figure) in the box body 1, the two independent motors can be designed into different rotating speeds by writing different control programs, so that the baking oven can adapt to heat requirements of different foods and different parts; or the two independent motors can be controlled in the length of working time when cooking, for example, one motor can be started first, the other motor can be started in a delayed manner, or in the tail section of cooking, one motor is stopped first, the other motor is stopped in a delayed manner, and the like.

That is, in the same control chamber, two sets of air supply mechanisms 4 are arranged, so that more flexible, changeable and various cooking modes can be provided for subsequent cooking functions.

The air induction covers 401 on the two air supply mechanisms 4 are connected into a whole through a connecting plate 405; the structure is simple and reasonable.

The outer side of the mounting plate 6 close to the air outlet 702 is provided with a reinforcing convex part 601, the reinforcing convex part 601 is approximately cuboid, and the width L1 of the reinforcing convex part 601 is larger than the width L2 of the air outlet 702; the reinforcing protrusion 601 serves to reinforce the structural strength of the portion through which the hot air is discharged.

The mounting plate 6 is provided with a mounting hole 602, and the mounting hole 602 is provided with a lighting lamp (not shown in the figure); and has an illumination function, and thus it is easy to understand by those skilled in the art that the illumination lamp is displayed even at the upper portion of the drawing sheet, since it is a conventional art.

The heating element comprises a plurality of upper heating pipes 501, the upper heating pipes 501 are positioned at the upper part of the baking cavity 2 and are close to the inner side of the mounting plate 6, two ends of each upper heating pipe 501 are respectively connected and fixed with the side wall of the baking cavity 2, and part of pipe bodies of each upper heating pipe 501 are simultaneously overlapped with vertical projection areas of two air supply areas A; the upper heating pipes 501 are located below the vertical projection area of the air supply area a, so that wind energy of air supplied by the air supply fan blades 402 can be changed into hot air rapidly to be blown to foods.

The heating piece further comprises a lower heating tube 502, the lower heating tube 502 is positioned at the lower part of the baking cavity 2 and is close to the bottom of the baking cavity 2, a steam generating disc 11 is arranged above the lower heating tube 502, a water outlet groove 1101 and a protection plate 1102 are arranged on the steam generating disc 11, and the lower heating tube 502 is positioned below the protection plate 1102; the water outlet tank 1101 on the steam generating tray 11 can heat and evaporate water when the lower heating tube 502 works in a water storage state, so that steam is formed in the inner container, a humidifying or moisturizing effect is realized, and water loss of food in the baking process is supplemented.

The back of the box body 1 is connected with an exhaust box 12, the exhaust box 12 is provided with an upward air outlet 1201, and the exhaust box 12 is also provided with an air inlet 1202 communicated with the air outlet 702; the exhaust box 12 is arranged in a convex manner, so that the exhaust effect can be achieved, meanwhile, when the exhaust box is close to a wall, a space is formed between the box body 1 and the wall body, the safety standard is met, the contact convex portion 10 is further arranged on the outer wall of the exhaust box 12, the space is further enlarged, the heat insulation effect is achieved, the contact of excessive hot air with the wall body is avoided, the fact that the exhaust box is close to a solid wall is not required, other inflammable or low-combustion-value parts are possible, and the safety effect is further enhanced.

The back of the box body 1 is connected with a back plate 101, the exhaust box 12 is detachably arranged on the back plate 101, an air deflector 102 extends into the exhaust box 12 on the back plate 101, and the air deflector 102 is communicated with an air outlet 1201 and an air outlet 702; the air deflector 102 extends from the back plate 101, the air deflector 102 passes through the air inlet 1202 and extends into the exhaust box 12, and after the air deflector 102 extends out, a mouth 103 is formed on the back plate 101; the air deflector 102 guides the hot air from the heat dissipation space 9 into the exhaust box 12 through the air outlet 702, and finally the hot air is discharged from the air outlet 1201.

A separation plate 13 is arranged between the two induced hoods 401 in the installation cavity 8; the heat dissipation effect is prevented from being influenced by the cross flow of the two rows of fan blades 403 in the heat dissipation space 9, and the heat dissipation is mainly realized by preventing heat from accumulating in the heat dissipation space 9, affecting electronic components (such as a circuit board or other electronic components) in the box body 1 or near the heat dissipation space 9, or preventing the box body from overheating.

In the same baking cavity, three or four or more sets of air supply mechanisms 4 are arranged in the mounting cavity 8 according to different shapes of the box body, or different shapes of the baking cavity, or different food baking requirements; the functions and beneficial effects of the air supply mechanism are basically the same as those of the two sets of air supply mechanisms 4, and are not described in detail herein.

The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be appreciated by persons skilled in the art that the present utility model is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the utility model, and various changes and modifications may be made without departing from the scope of the utility model as defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air oven, includes box (1), is provided with a baking chamber (2) in box (1), and one side in baking chamber (2) is provided with opening (201), is equipped with door body (3) of opening and closing opening (201) on box (1), and air supply mechanism (4) are installed at the top in baking chamber (2), installs the heating element on baking chamber (2) of air supply mechanism (4) below, and characterized by, the top in baking chamber (2) is provided with mounting panel (6), and mounting panel (6) outside is connected with heat exchanger (7), constitutes mounting chamber (8) between heat exchanger (7) and mounting panel (6), installs two sets of air supply mechanism (4) in mounting chamber (8), and every set of air supply mechanism (4) are including induced air cover (401), air supply fan blade (402), exhaust fan blade (403) and motor (404), and the top outside of heat exchanger (7) is provided with two at least motor installation positions (701), and motor (404) fixed mounting is on motor installation position (701), and induced air cover (401) are connected between heat exchanger (401) and heat exchanger (401) are formed between heat exchanger (9), a fan blade (403) is arranged in the heat dissipation space (9) of each set of air supply mechanism (4), and an output shaft (404-1) of the motor (404) extends into the heat shield (7) and the air guide cover (401) respectively and is in driving connection with the fan blade (402) and the exhaust fan blade (403);

one end of the heat shield (7) is provided with an air outlet (702) communicated with the heat dissipation space (9), and the air outlet (702) discharges hot air of the heat dissipation space (9) out of the box body (1) through the air outlet (403);

at least two air supply areas (A) are arranged on the mounting plate (6), each air supply area (A) corresponds to an air guiding cover (401) on each set of air supply mechanism (4) one by one, and each air supply area (A) is provided with an air guiding hole (A1) communicated with the air guiding cover (401) and the baking cavity (2).

2. An air oven according to claim 1, characterized in that the air guiding hoods (401) on the two air supplying mechanisms (4) are connected into a whole by means of a connecting plate (405).

3. An air oven according to claim 1, characterized in that the outer side of the mounting plate (6) close to the air outlet (702) is provided with a reinforcing protrusion (601), the reinforcing protrusion (601) being approximately cuboid, the width (L1) of the reinforcing protrusion (601) being greater than the width (L2) of the air outlet (702).

4. An air oven according to claim 1, characterized in that the mounting plate (6) is provided with mounting holes (602), and the mounting holes (602) are provided with illumination lamps.

5. An air oven according to claim 1, characterized in that the heating element comprises a plurality of upper heating pipes (501), the upper heating pipes (501) are located at the upper part of the baking cavity (2) and are close to the inner side of the mounting plate (6), two ends of each upper heating pipe (501) are respectively connected and fixed with the side wall of the baking cavity (2), and part of the pipe body of each upper heating pipe (501) is overlapped with the vertical projection areas of the two air supply areas (a) at the same time.

6. The air oven according to claim 1, wherein the heating element further comprises a lower heating tube (502), the lower heating tube (502) is located at the lower portion of the baking cavity (2) and is close to the bottom of the baking cavity (2), a steam generating disc (11) is arranged above the lower heating tube (502), a water outlet groove (1101) and a protection plate (1102) are arranged on the steam generating disc (11), and the lower heating tube (502) is located below the protection plate (1102).

7. The air oven according to claim 1, characterized in that the back of the oven body (1) is connected with an exhaust box (12), the exhaust box (12) is provided with an air outlet (1201) opened upwards, and the exhaust box (12) is further provided with an air inlet (1202) communicated with the air outlet (702).

8. The air oven according to claim 7, wherein the back of the oven body (1) is connected with a back plate (101), the exhaust box (12) is detachably mounted on the back plate (101), the back plate (101) extends to the inside of the exhaust box (12) to form an air deflector (102), and the air deflector (102) is communicated with the air outlet (1201) and the air outlet (702).

9. An air oven according to claim 3, characterized in that a partition plate (13) is arranged between the two air induction hoods (401) in the installation cavity (8).