CN216416892U

CN216416892U - Effectual air oven of heat dissipation cooling

Info

Publication number: CN216416892U
Application number: CN202120102465.3U
Authority: CN
Inventors: 王旭宁; 吴吉荣
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2022-05-03
Anticipated expiration: 2031-01-14

Abstract

The utility model provides an air oven with good heat dissipation and cooling effects, which comprises a box body shell, a cooking cavity arranged in the box body shell, a heating pipe and a hot air circulation device, wherein the heating pipe and the hot air circulation device are arranged in the cooking cavity, the box body shell comprises a front plate, a rear plate and two side protection plates for connecting the front plate and the rear plate, a cavity is formed by the top of the cooking cavity, the upper end of the front plate, the upper end of the rear plate and the two side protection plates in a surrounding manner, the heating pipe is positioned on the top wall of the cooking cavity, the hot air circulation device is positioned above the heating pipe and in the cavity, and a cooling fan for cooling the hot air circulation device and the cavity is arranged in the cavity.

Description

Effectual air oven of heat dissipation cooling

Technical Field

The utility model relates to the field of ovens, in particular to an air oven with good heat dissipation and cooling effects.

Background

The air-frying electric oven in the market at present is an oven structure with an upper motor, the built-in motor is arranged on the upper side of a cavity and is loaded with two fans to form a hot air circulating system, the lower side fan provides hot air to ensure that food is heated uniformly in the cavity, and the upper side fan provides heat dissipation to ensure that the motor does not have high temperature consistency during working and can not work for a long time to cause the failure of the motor; but actually the radiating effect of upside fan is not very obvious, can only satisfy the heat dissipation of motor slightly, and the preceding panel temperature still can be very high on the air fried electric oven work, even the body feels slightly hot, and the upside of shell and upper chamber body both sides temperature is slightly higher equally. This may cause the user to feel hot when touching the toaster panel and the housing when the food preparation is completed, and the experience is poor.

Disclosure of Invention

The utility model aims to provide an air oven with good heat dissipation and cooling effects.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an effectual air oven of heat dissipation cooling, includes box shell, locates the culinary art cavity in the box shell, locates heating tube and heated air circulation device in the culinary art cavity, and the box shell includes front bezel, back plate and connects the both sides backplate of front bezel and back plate, wherein, enclose the vacuole formation between the top of culinary art cavity and front bezel upper end, back plate upper end and the both sides backplate, the heating tube is located the culinary art cavity roof, and heated air circulation device is located the heating tube top and is located the cavity, is equipped with in the cavity and carries out radiating radiator fan to heated air circulation device and cavity.

Furthermore, a fan fixing frame is arranged in the cavity, and the heat dissipation fan is fixed on the fan fixing frame.

Furthermore, heated air circulation device includes motor and by motor drive's hot-blast fan, and the motor includes the motor shaft, and culinary art cavity top is equipped with and separates the heat exchanger, and hot-blast fan is located and separates the heat exchanger below, and the lower extreme of motor shaft passes to separate the heat exchanger and is connected with hot-blast fan transmission, and the heating tube is located hot-blast fan below.

Furthermore, the upper end of the motor shaft is connected with a cold air fan, the top of the cooking cavity is provided with an air guide cover positioned in the heat insulation cover, the hot air fan is positioned below the air guide cover, and the cold air fan is positioned above the air guide cover.

Furthermore, the fan fixing frame comprises a first fan fixing frame and a second fan fixing frame, the heat dissipation fan comprises a first heat dissipation fan and a second heat dissipation fan, the first heat dissipation fan is fixed on the first fan fixing frame, and the second heat dissipation fan is fixed on the second fan fixing frame.

Further, both sides backplate includes left side backplate and right side backplate, and first fan mount one end is connected fixedly with the left side backplate, and the other end is connected fixedly with the heat exchanger that separates, and second fan mount one end is connected fixedly with the right side backplate, and the other end is connected fixedly with the heat exchanger that separates.

Furthermore, the first heat dissipation fans are provided with two heat dissipation fans which are arranged on the first fan fixing frame at intervals, and the second heat dissipation fans are provided with two heat dissipation fans which are arranged on the second fan fixing frame at intervals.

Furthermore, the two first cooling fans are arranged in a back-to-back mode, and the two second cooling fans are arranged in a back-to-back mode.

Furthermore, the angle between the fan fixing frame and the side guard plate after the fan fixing frame is installed in place is alpha, and alpha is more than or equal to 84 degrees and less than 90 degrees; or the angle between the fan fixing frame and the side guard plate is alpha, and alpha is more than 90 degrees and less than or equal to 97 degrees; or the angle between the fan fixing frame and the side guard plate after the fan fixing frame is installed in place is alpha, the alpha is 90 degrees, a distance A is arranged between the fan fixing frame and the front plate, and A is larger than or equal to 45mm and smaller than or equal to 90 mm.

Furthermore, air outlet holes are formed in the positions, corresponding to the cavities, of the two sides of the box body shell, and heat dissipation holes are formed in the positions, corresponding to the cavities, of the rear plate.

After the technical scheme is adopted, the utility model has the following advantages:

1. in the utility model, the top of the cooking cavity, the upper end of the front plate, the upper end of the rear plate and the two side protective plates are enclosed to form a cavity, the heating tube is positioned on the top wall of the cooking cavity, the hot air circulating device is positioned above the heating tube and in the cavity, so that the heat generated by the heating tube can be completely transferred into the cooking cavity by the hot air circulating device, the cooking efficiency of the air oven is well improved, the heating tube and the hot air circulating device are convenient to mount and fix, the space is large, the heat dissipation effect is good, the working stability of the heating tube and the hot air circulating device is ensured, the heat transferred to the upper end of the front plate, the upper end of the rear plate and the two side protective plates by the heat dissipation fan arranged in the cavity can be well dissipated, and the heat dissipated to the upper end of the front plate, the upper end of the rear plate and the two side protective plates by the heat dissipation fan is actively dissipated and cooled, promote heat dissipation cooling effect greatly to the temperature on better reduction front bezel upper end, back plate upper end and the both sides backplate prevents to scald the user, also can guarantee heated air circulation device's operational environment temperature normal simultaneously, avoids overheated influence heated air circulation device normal work, has promoted heated air circulation device's life well.

2. Be equipped with the fan mount in the cavity, radiator fan is fixed in on the fan mount, makes things convenient for radiator fan's installation fixed like this, and radiator fan is fixed reliable to guarantee radiator fan stability during operation, guarantee the heat dissipation cooling effect to front bezel upper end, back plate upper end and both sides backplate.

3. Heated air circulation device includes the motor and by motor drive's heated air fan, the motor includes the motor shaft, culinary art cavity top is equipped with thermal-insulated cover, heated air fan is located thermal-insulated cover below, the lower extreme of motor shaft passes thermal-insulated cover and is connected with the heated air fan transmission, the heating tube is located the heated air fan below, the heat transfer through setting up the reducible heating tube of thermal-insulated cover is upper end for the front bezel, on rear bezel upper end and the both sides backplate, simultaneously can be better to culinary art cavity internal transfer hot-blast, carry out better baking cooking to the edible material in the culinary art cavity, and the heated air circulation device structure of this kind of structure is simple relatively, convenient production assembly.

4. The upper end of motor shaft is connected with the cold wind fan, and culinary art chamber top is equipped with the wind scooper that is located thermal shield, and the hot wind fan is located the wind scooper below, and the cold wind fan is located the top of wind scooper, can dispel the heat to the motor through setting up the cold wind fan to guarantee that the operational environment temperature of motor is normal, thereby can promote the life of motor, and the wind scooper can make the better downward transport of the wind that the hot wind fan produced, in order to guarantee hot-blast production efficiency.

5. The fan fixing frame comprises a first fan fixing frame and a second fan fixing frame, the cooling fan comprises a first cooling fan and a second cooling fan, the first cooling fan is fixed on the first fan fixing frame, the second cooling fan is fixed on the second fan fixing frame, through the arrangement of the two cooling fans, the cooling effect of heat dissipation on the cavity can be improved, namely the cooling effect of heat dissipation on the upper end of the front plate and the upper end of the rear plate and the protective plates on the two sides of the rear plate, meanwhile, the working environment temperature of the hot air circulating device can be ensured to be appropriate, and therefore the normal service life of the hot air circulating device can be ensured.

6. Both sides backplate includes left side backplate and right side backplate, can be connected first fan mount one end and left side backplate fixedly, the other end is connected fixedly with thermal-insulated cover, and be connected second fan mount one end and right side backplate fixedly, the other end is connected fixedly with thermal-insulated cover, the fixed reliability of assurance fan mount that can not only be fine like this, assurance radiator fan's fixed reliability that again can be fine, with the stability of assurance radiator fan during operation, thereby guarantee the heat dissipation cooling effect.

7. Through being equipped with first radiator fan two and locate on the first fan mount at the interval, and second radiator fan is equipped with two and locates on the second fan mount at the interval, through four radiator fan in order to dispel the heat the cooling to the cavity promptly, the heat dissipation cooling effect has been strengthened greatly, also the front bezel upper end has been strengthened greatly, the heat dissipation cooling effect of rear bezel upper end and both sides backplate, can be better avoid the user to touch the front bezel upper end, rear bezel upper end and both sides backplate and scald, security when promoting the user and using the operation.

8. Two first radiator fans set up dorsad, and two second radiator fans set up dorsad, so can avoid locating the cold wind that radiator fan on same fan mount produced and blow each other and produce the turbulent flow, make the cold wind that four radiator fan produced like this strengthen the superposition to strengthen the heat dissipation cooling effect in the cavity greatly.

9. After the fan fixing frame is installed in place, the angle between the fan fixing frame and the side protection plate is alpha, alpha is more than or equal to 84 degrees and less than 90 degrees, the heat dissipation fan drives airflow to flow rapidly, heat dissipation air rapidly passes through the motor, takes away most of heat and is directly discharged from the heat dissipation holes in the rear plate, and meanwhile, a small part of hot air flow is discharged from the air outlet holes in the two sides of the box body shell so as to ensure the heat dissipation and cooling effects; or the angle between the fan fixing frame and the side protection plate is alpha, alpha is more than 90 degrees and less than or equal to 97 degrees, the heat dissipation fan drives airflow to flow rapidly, heat dissipation air is discharged from air outlet holes in two sides of the box body shell rapidly, and meanwhile, the heat dissipation air can still drive high temperature on the motor to be discharged from the heat dissipation holes in the rear plate together; or the angle between the fan fixing frame and the side protection plate after the fan fixing frame is installed in place is alpha, the alpha is 90 degrees, namely the fan fixing frame is perpendicular to the two side protection plates for installation, a distance A is arranged between the fan fixing frame and the front plate, and A is not less than 45mm and not more than 90mm, so that a good heat dissipation and cooling effect can be ensured, and meanwhile, the installation and the fixation of the heat dissipation fan are facilitated.

10. The box shell both sides correspond cavity position department and are equipped with the venthole, the position department that the back plate just corresponds the cavity is equipped with the louvre, the heat of the wind drive panel part that the fan-out of heat dissipation blows like this begins to flow by the direction of front bezel to back plate, because the fluid action, the oven outside is got rid of to the venthole that the part cooling wind in the cavity can follow box shell both sides, another a dispersion is hot-blast can be because the wind speed reason does not reach and discharge from the venthole, continue to flow backward, the in-process motor, can take away a part of heat of motor, the radiating effect of motor has been reached once more simultaneously, both sides all have the cooling wind to flow into the process, motor radiating effect is showing and is promoting.

Drawings

The utility model will be further described with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a first embodiment of an air oven according to the present invention.

Fig. 2 is an exploded view of a first embodiment of the air oven of the present invention.

FIG. 3 is a schematic view of the flow of heat dissipating air in an air oven according to a first embodiment of the present invention.

Fig. 4a is an enlarged view of a in fig. 3.

Fig. 4B is an enlarged view of B in fig. 3.

Fig. 5 is a schematic view of the flow of heat dissipating air in a second embodiment of the air oven of the present invention.

Fig. 6 is a schematic flow diagram of heat dissipating air in a third embodiment of the air oven of the present invention.

The names of the components marked in the figures are as follows:

1. a case body shell; 11. a front plate; 12. a back plate; 13. a left guard plate; 14. a right guard plate; 15. an air outlet; 16. heat dissipation holes; 100. a cavity; 2. a cooking cavity; 3. a heat generating tube; 4. a hot air circulating device; 41. a motor; 411. a motor shaft; 42. a hot air fan; 5. a heat radiation fan; 51. a first heat dissipation fan; 52. a second heat dissipation fan; 6. a fan fixing frame; 61. a first fan fixing frame; 62. a second fan fixing frame; 7. a heat shield; 8. a cold air fan; 9. an air guide cover.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected to each other by the intermediate structure but connected to each other by the connecting structure to form a whole. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The first embodiment is as follows:

as shown in fig. 1 to 4b, the present invention provides an air oven with good heat dissipation and cooling effects, which includes a box body housing 1, a cooking cavity 2 disposed in the box body housing 1, a heating tube 3 disposed in the cooking cavity 2, and a hot air circulation device 4, wherein the box body housing 1 includes a front plate 11, a rear plate 12, and two side guard plates connecting the front plate 11 and the rear plate 12, and the two side guard plates include a left side guard plate 13 and a right side guard plate 14.

In the embodiment, a cavity 100 is formed by enclosing the top of the cooking cavity 2, the upper end of the front plate 11, the upper end of the rear plate 12 and the two side guard plates, the heating tube 3 is positioned on the top wall of the cooking cavity 2, certainly, the heating tube is positioned on the inner top wall of the cooking cavity 2, the hot air circulating device 4 is arranged on the outer top wall of the cooking cavity 2, and the hot air circulating device 4 is positioned above the heating tube 3 and in the cavity 100, so that heat generated by the heating tube can be completely transferred into the cooking cavity by the hot air circulating device, the cooking efficiency of the air oven is well improved, the heating tube and the hot air circulating device are convenient to install and fix, the space is large, the heat dissipation effect is good, and the working stability of the heating tube and the hot air circulating device is ensured; simultaneously, be equipped with in cavity 100 and carry out radiating radiator fan 5 to heated air circulation device 4 and cavity, can be fine transmit the front bezel upper end with heating tube and heated air circulation device, the heat effluvium on back plate upper end and the both sides backplate, initiatively to the front bezel upper end through radiator fan, back plate upper end and both sides backplate carry out the heat dissipation cooling, promote the heat dissipation cooling effect greatly, with better reduction front bezel upper end, the temperature on back plate upper end and the both sides backplate, prevent to scald the user, also can guarantee heated air circulation device's operational environment temperature is normal simultaneously, avoid overheated influence heated air circulation device normal work, heated air circulation device's life has been promoted well.

Specifically, the cavity 100 is internally provided with the fan fixing frame 6, and the cooling fan 5 is fixed on the fan fixing frame 6, so that the cooling fan is convenient to mount and fix, and is reliably fixed, so that the working stability of the cooling fan is ensured, and the cooling effect of the front plate upper end, the rear plate upper end and the two side guard plates is ensured; meanwhile, the fan fixing frame 6 comprises a first fan fixing frame 61 and a second fan fixing frame 62, the cooling fan 5 comprises a first cooling fan 51 and a second cooling fan 52, the first cooling fan 51 is fixed on the first fan fixing frame 61, the second cooling fan 52 is fixed on the second fan fixing frame 62, and by arranging the two cooling fans, the cooling effect of the cavity, namely the cooling effect of the upper end of the front plate, the upper end of the rear plate and the guard plates on the two sides, can be improved, and meanwhile, the working environment temperature of the hot air circulating device can be ensured to be appropriate, so that the normal service life of the hot air circulating device can be ensured.

And, heated air circulation device 4 includes motor 41 and by motor 41 driven hot air fan 42, motor 41 includes motor shaft 411, cook 2 tops of cavity and be equipped with thermal-insulated cover 7, hot air fan 42 is located thermal-insulated cover 7 below, the lower extreme of motor shaft 411 passes thermal-insulated cover 7 and is connected with hot air fan 42 transmission, heating tube 3 is located hot air fan 42 below, the heat transfer through setting up the reducible heating tube of thermal-insulated cover is for the front bezel upper end, on rear bezel upper end and the both sides backplate, simultaneously can be better to the internal transfer of culinary art cavity hot-blast, with carry out better baking and cooking to the edible material in the culinary art cavity, and the heated air circulation device structure of this kind of structure is simple relatively, convenient production assembly.

For better dispel the heat to the motor, can be connected with cold wind fan 8 in the upper end of motor shaft 411, be equipped with the wind scooper 9 that is located thermal shroud 7 at culinary art chamber 2 top, hot wind fan 5 is located wind scooper 9 below, cold wind fan 8 is located the top of wind scooper 9, can dispel the heat to the motor through setting up cold wind fan, in order to guarantee that the operational environment temperature of motor is normal, thereby can promote the life of motor, and the wind scooper can make the better downward transport of the wind that hot wind fan produced, in order to guarantee hot-blast production efficiency.

In order to facilitate the installation and fixation of the fan fixing frame and facilitate the installation and fixation of the heat dissipation fan, one end of the first fan fixing frame 61 can be fixedly connected with the left side protection plate 13, the other end of the first fan fixing frame is fixedly connected with the heat insulation cover 7, one end of the second fan fixing frame 62 is fixedly connected with the right side protection plate 14, and the other end of the second fan fixing frame is fixedly connected with the heat insulation cover 7.

In order to promote the heat dissipation and cooling effect, can be equipped with first radiator fan 51 two and the interval locate on first fan mount 61, second radiator fan 52 is equipped with two and the interval locates on second fan mount 62, cool down in order to dispel the heat to the cavity through four radiator fan promptly, the heat dissipation and cooling effect has been strengthened greatly, also be the front bezel upper end greatly, the heat dissipation and cooling effect of rear bezel upper end and both sides backplate, can be better avoid the user to touch the front bezel upper end, rear bezel upper end and both sides backplate and scald, security when promoting user's use operation.

Moreover, the two first cooling fans 51 are arranged in a back-to-back manner, and the two second cooling fans 52 are arranged in a back-to-back manner, so that cold air generated by the cooling fans arranged on the same fan fixing frame can be prevented from blowing each other to generate turbulent flow, and thus the cold air generated by the four cooling fans is enhanced and superimposed to greatly enhance the heat dissipation and cooling effects in the cavity.

In addition, the angle between the fan fixing frame 6 and the side guard plate after the fan fixing frame is installed in place is alpha, the alpha is 90 degrees, a distance A is arranged between the fan fixing frame 6 and the front plate 11, A is larger than or equal to 45mm and smaller than or equal to 90mm, and A is specifically 75mm, so that a good heat dissipation and cooling effect can be guaranteed, and meanwhile, the installation and the fixation of the heat dissipation fan are facilitated.

Finally, the positions of the two sides of the box body shell 1 corresponding to the cavity 100 are provided with air outlet holes 15, the positions of the rear plate 12 corresponding to the cavity 100 are provided with heat dissipation holes 16, so that heat of the part of the panel driven by wind blown by the heat dissipation wind flows from the front plate to the rear plate, due to the action of fluid, part of the heat dissipation wind in the cavity can be discharged to the outside of the oven from the air outlet holes of the two sides of the box body shell, the other part of the heat dissipation wind can not be discharged from the air outlet holes due to wind speed, and continues to flow backwards, passes through the motor in the period, and can take away part of the heat of the motor, and meanwhile, the effect of re-radiating the motor is achieved, the two sides are provided with heat dissipation wind flows in, and the heat dissipation effect of the motor is remarkably improved.

It is understood that a may also be 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, etc.

Example two:

in this embodiment, as shown in fig. 5, the angle between the fan fixing frame 6 and the side guard plates (13, 14) after being installed in place is α, α is greater than or equal to 84 degrees and is less than 90 degrees, and α is specifically 84 degrees, so that the heat dissipation fan drives the air flow to flow rapidly, the heat dissipation air rapidly passes through the motor, takes away most of heat, and is directly discharged from the heat dissipation holes of the rear plate, and meanwhile, a small part of hot air flow is also discharged from the air outlet holes on two sides of the box body shell, so as to ensure the heat dissipation and cooling effects.

It is understood that α may also be 85 °, 86 °, 87 °, 88 °, 89 °, and so forth.

Example three:

in this embodiment, as shown in fig. 6, the angle between the fan fixing frame 6 and the side guard plates (13, 14) is α, α is greater than 90 ° < α and is less than or equal to 97 °, and α is specifically 97 °, so that the heat dissipation fan drives the airflow to flow rapidly, the heat dissipation air is discharged rapidly from the air outlet holes on the two sides of the casing of the box body, and meanwhile, the heat dissipation air still drives the high temperature on the motor to be discharged together from the heat dissipation holes on the rear plate.

It is understood that α may also be 91 °, 92 °, 93 °, 94 °, 95 °, 96 °, etc.

In addition to the above preferred embodiments, the technical solutions protected by the present invention are not limited to the above embodiments, and it should be noted that the technical solutions of any one embodiment are combined with the technical solutions of one or more other embodiments within the protection scope of the present invention. Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides an effectual air oven of heat dissipation cooling, includes box shell, locates the culinary art cavity in the box shell, locates heating tube and heated air circulation device in the culinary art cavity, and the box shell includes front bezel, back plate and connects the both sides backplate of front bezel and back plate, a serial communication port, enclose the vacuole formation between the top of culinary art cavity and front bezel upper end, back plate upper end and the both sides backplate, and the heating tube is located culinary art cavity roof, and heated air circulation device is located the heating tube top and is located the cavity, is equipped with in the cavity and carries out radiating radiator fan to heated air circulation device and cavity.

2. The air oven of claim 1, wherein a fan mount is disposed in the cavity, and the heat dissipation fan is secured to the fan mount.

3. The air oven of claim 2, wherein the heated air circulation device comprises a motor and a heated air fan driven by the motor, the motor comprises a motor shaft, the top of the cooking cavity is provided with a heat shield, the heated air fan is located below the heat shield, the lower end of the motor shaft penetrates through the heat shield to be in transmission connection with the heated air fan, and the heating pipe is located below the heated air fan.

4. The air oven of claim 3, wherein a cool air fan is coupled to the upper end of the motor shaft, a wind scooper is disposed within the heat shield at the top of the cooking cavity, the warm air fan is disposed below the wind scooper, and the cool air fan is disposed above the wind scooper.

5. The air oven of claim 3, wherein the fan mount includes a first fan mount and a second fan mount, the heat dissipation fan includes a first heat dissipation fan and a second heat dissipation fan, the first heat dissipation fan is secured to the first fan mount, and the second heat dissipation fan is secured to the second fan mount.

6. The air oven of claim 5, wherein the side guards include a left side guard and a right side guard, the first fan mount has one end fixedly coupled to the left side guard and another end fixedly coupled to the heat shield, and the second fan mount has one end fixedly coupled to the right side guard and another end fixedly coupled to the heat shield.

7. The air oven of claim 5, wherein the first heat dissipation fan is spaced apart from and disposed on the first fan mount, and the second heat dissipation fan is spaced apart from and disposed on the second fan mount.

8. The air oven of claim 7, wherein the two first heat dissipation fans are disposed in a back-to-back arrangement and the two second heat dissipation fans are disposed in a back-to-back arrangement.

9. The air oven of claim 2, wherein the fan mount is positioned at an angle α, α ≦ 84 ° and < 90 °; or the angle between the fan fixing frame and the side guard plate is alpha, and alpha is more than 90 degrees and less than or equal to 97 degrees; or the angle between the fan fixing frame and the side guard plate after the fan fixing frame is installed in place is alpha, the alpha is 90 degrees, a distance A is arranged between the fan fixing frame and the front plate, and A is larger than or equal to 45mm and smaller than or equal to 90 mm.

10. The air oven of claim 1, wherein air outlets are formed at two sides of the box housing corresponding to the cavities, and heat dissipation holes are formed at the rear plate corresponding to the cavities.