Oven door and temperature control method thereof

Abstract

The present invention discloses an oven door and a temperature control method thereof, which relate to the field of ovens, and comprises a main body and a fan unit for providing cooling air to the main body, wherein the main body is provided with an air cooling flow path for air flow and heat exchange, the air cooling flow path has an air inlet and an air outlet connected to the outside of the main body, the fan unit is arranged in the main body and is arranged to drive external air to flow into the air cooling flow path through the air inlet to exchange heat with the main body and flow out from the air outlet; wherein the air inlet and the air outlet are located on the same side of the main body, the air cooling flow path comprises an air inlet section and an air outlet section, one end of the air inlet section is connected to the air inlet, one end of the air outlet section is connected to the air outlet, and one end of the air inlet section away from the air inlet is connected to one end of the air outlet section away from the air outlet. The present invention has the effect of facilitating the cooling of the oven door.

Description

Technical Field

[0001] The invention relates to the field of ovens, and in particular to an oven door and a temperature control method thereof. Background Art

[0002] An oven is a common appliance for baking food at home. It includes a box body and an oven door that is hinged to the box body and can be opened and closed. When baking food, the temperature inside the oven is high, which causes the temperature of the oven door to rise. When using the oven, if the temperature of the oven door is too high, it is easy to burn the user, or make some components on the door body unable to work normally, which brings inconvenience to the use of the oven. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the defect in the prior art that the temperature of the oven door is easily too high, and to provide an oven door body and a temperature control method thereof.

[0004] The present invention solves the above technical problems through the following technical solutions:

[0005] In a first aspect, the present invention provides an oven door, comprising a main body and a fan unit for providing cooling air to the main body, wherein the main body has an air cooling flow path for air flow and heat exchange, the air cooling flow path has an air inlet and an air outlet connected to the outside of the main body, the fan unit is disposed in the main body and arranged to drive external air to flow into the air cooling flow path through the air inlet to exchange heat with the main body and flow out from the air outlet;

[0006] Wherein, the air inlet and the air outlet are located on the same side of the main body, the air cooling flow path includes an air inlet section and an air outlet section, one end of the air inlet section is connected to the air inlet, one end of the air outlet section is connected to the air outlet, and one end of the air inlet section away from the air inlet is connected to one end of the air outlet section away from the air outlet.

[0007] In this solution, a fan unit is provided in the air cooling flow path, and the fan unit drives the outside air from the air inlet into the air inlet section and the air outlet section of the air cooling flow path to exchange heat with the oven door body, thereby reducing the temperature of the oven door body; the air after absorbing heat and rising in temperature is discharged from the air cooling flow path from the air outlet, so that the air in the air cooling flow path maintains a relatively low temperature; the air inlet and the air outlet are located on the same side of the main body of the oven door body, so that the air cooling flow path is turned back along the connected air inlet section and the air outlet section in the main body, and is discharged from the main body after fully exchanging heat with the main body, thereby increasing the heat dissipation efficiency of the oven door body. As a result, when the oven is working, the oven door body is not likely to cause partial damage to components or burns to the user due to excessive temperature, which is convenient for the user to use.

[0008] Preferably, the air inlet and the air outlet are both arranged on a side of the main body used for hingedly connecting the oven.

[0009] In the present solution, the air inlet and the air outlet are both arranged on one side of the oven body where the main body is hinged. In this way, when the oven door is opened, air flows into the door body or out of the door body at the hinge between the oven door and the oven, and the side of the oven door away from the air inlet and the air outlet is not easily affected by the airflow of the oven door, thereby reducing the impact of the airflow of the oven door on the baked food or the user, thereby improving the user experience.

[0010] Preferably, the fan unit includes an intake fan for sucking air into the air-cooling flow path and an exhaust fan for exhausting air in the air-cooling flow path, the intake fan is arranged in the air intake section, and the exhaust fan is arranged in the air outlet section.

[0011] In this solution, the air intake fan is arranged in the air intake section to drive the air to flow in from the air inlet, and the exhaust fan is arranged in the air outlet section to drive the air to flow out from the air outlet, thereby making the air flow in the air intake section and the air outlet section and exchange heat with the main body, thereby reducing the temperature of the oven door.

[0012] Preferably, the fan assembly further comprises a turning fan for delivering the air in the air inlet section to the air outlet section, and the turning fan is arranged at the connecting point between the air inlet section and the air outlet section.

[0013] In this solution, the steering fan is used to drive the air in the air inlet section to flow into the air outlet section, guiding the airflow in the air-cooling flow path, making the airflow in the air-cooling flow path flow smoother.

[0014] Preferably, the air inlet section is located at the middle of the main body in the horizontal direction, and the air outlet section is located at the edge of the main body in the horizontal direction.

[0015] In the present solution, since most of the components in the oven door are arranged in the middle of the main body in the horizontal direction; the air inlet section is arranged in the middle of the main body in the horizontal direction, and the air outlet section is arranged at the edge of the main body in the horizontal direction; since the temperature of the air is positively correlated with the heat exchange time with the main body when it enters the main body, the air flow temperature in the middle of the main body along the horizontal direction is lower and the heat exchange efficiency is higher, so that the middle of the main body along the horizontal direction is easy to maintain a lower temperature, which is beneficial to the normal use of the components on the oven door.

[0016] Preferably, a camera is provided in the main body, and the camera is located in the air intake section.

[0017] In this solution, a camera is provided in the main body, through which the food cooking in the oven can be photographed; at the same time, the camera is arranged in the air intake section, and the lower temperature air in the air intake section can cool the camera and the main body where the camera is installed, thereby ensuring the normal operation of the camera.

[0018] Preferably, the main body includes a frame and three layers of partitions installed on the frame, the three layers of partitions are arranged at intervals, two air-cooling flow paths are formed between two adjacent layers of partitions, each of the air-cooling flow paths is provided with the fan unit, and the two air-cooling flow paths are located on both sides of the main body in the horizontal direction.

[0019] In this solution, the main body includes a frame and three layers of partitions. The frame supports the three layers of partitions. Two adjacent partitions are arranged at intervals and form two air-cooling channels together with the frame. The three layers of partitions form an inner and outer layer interval, so that the higher temperature of the inner layer is not easily transferred to the outer layer by convection, thereby improving the thermal insulation capacity of the main body. The two air-cooling channels of the same layer are located on both sides of the main body in the horizontal direction, thereby making the temperature drop on both sides of the main body more uniform.

[0020] Preferably, a first temperature sensor is provided in the air-cooling flow path located in the outer layer, and a second temperature sensor is provided in the air-cooling flow path located in the inner layer, the first temperature sensor and the second temperature sensor are both electrically connected to the fan group, and the fan speed of the fan group changes according to the temperature detected by the first temperature sensor and the second temperature sensor.

[0021] In this solution, the temperatures of the inner and outer layers of the main body are obtained by the first temperature sensor and the second temperature sensor, and the fan speed of the fan group is controlled by the change in temperature, so that the cooling capacity of the main body meets the requirements, and the main body is not easily damaged due to excessive temperature or burns the user.

[0022] In a second aspect, the present invention provides a method for controlling the temperature of an oven door, which is used to control the temperature of the oven door as described above, wherein:

[0023] Define the temperature of the air-cooling flow path located in the outer layer as t1, the temperature of the air-cooling flow path located in the inner layer as t2, the set temperature of the air-cooling flow path in the outer layer as T1, and the set temperature of the air-cooling flow path in the inner layer as T2;

[0024] The oven door temperature control method comprises the following steps:

[0025] S1, detect t1 and t2;

[0026] S2, compare the size of t1 and T1;

[0027] If t1 exceeds T1, execute step S3, otherwise execute step S4;

[0028] S3, lower the oven operating temperature;

[0029] S4, compare t2 and T2, if t2 exceeds T2, go to step S5, otherwise go to step S6;

[0030] S5, turning on the fan unit to cool down the oven door;

[0031] S6. The fan unit shuts down.

[0032] In this solution, after obtaining the temperatures of the inner and outer air-cooling paths of the oven door, the temperature of the outer air-cooling path is compared. Once the temperature of the outer air-cooling path exceeds the set temperature T1, the operating temperature of the oven needs to be lowered in time to prevent component damage or burns to the user. When the temperature of the inner air-cooling path exceeds the set temperature T2 of the inner air-cooling path, the fan unit is turned on to cool the oven door. When the temperature of the inner air-cooling path does not exceed the set temperature T2 of the inner air-cooling path, there is no need to turn on the fan unit. In this way, the oven door is intelligently cooled according to different baking temperatures, which efficiently cools the oven and saves energy.

[0033] Preferably, step S5 comprises the following steps:

[0034] S51, turning on the fan unit located in the inner layer and continuing to work for a set time;

[0035] S52, compare t2 and T2, if t2 exceeds T2, execute step S53, otherwise execute step S6;

[0036] S53, turning on the fan unit located at the inner layer and the fan unit located at the outer layer.

[0037] In this solution, when the fan unit is used to cool the oven door, the fan unit in the inner air-cooling flow path is first turned on and operated for a period of time. If t2 does not exceed T2, the fan unit in the inner air-cooling flow path has already met the oven door cooling requirement, and there is no need to turn on the fan unit in the outer air-cooling flow path. If t2 still exceeds T2, it means that the oven door cooling requirement cannot be met by relying solely on the fan unit in the inner air-cooling flow path for heat dissipation. At this time, the fan unit in the outer air-cooling flow path is turned on to increase the oven door cooling efficiency. This further realizes the layered intelligent cooling of the oven door.

[0038] The positive and progressive effects of the present invention are:

[0039] The present invention arranges a fan unit in the air cooling flow path, and the fan unit drives the outside air from the air inlet into the air inlet section and the air outlet section of the air cooling flow path to exchange heat with the oven door body, thereby reducing the temperature of the oven door body; the fan unit drives the air to return along the air inlet section and the air outlet section of the air cooling flow path, thereby increasing the heat exchange path between the air in the air cooling flow path and the main body, thereby improving the cooling efficiency of the oven door body. As a result, the oven door body is not easily damaged due to excessive temperature, causing components thereon or burning users. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1It is a schematic diagram of the three-dimensional structure of the main body of the oven door body according to an embodiment of the present invention.

[0041] Figure 2 The figure is a schematic diagram of the exploded structure of an oven door according to an embodiment of the present invention.

[0042] Figure 3 The figure is a schematic diagram of the vertical cross-section structure of an oven door according to an embodiment of the present invention.

[0043] Figure 4 The figure is a schematic structural diagram of a fan unit according to an embodiment of the present invention.

[0044] Figure 5 FIG. 4 is a schematic diagram of air flow in an air-cooling flow path according to an embodiment of the present invention.

[0045] Description of reference numerals:

[0046] Main body 100

[0047] Partition 110

[0048] Inner air layer 120

[0049] Outer air layer 130

[0050] Frame 140

[0051] Air cooling flow path 150

[0052] Air inlet 151

[0053] Intake section 152

[0054] Exhaust section 153

[0055] Air outlet 154

[0056] Fan unit 160

[0057] Intake fan 161

[0058] Exhaust fan 162

[0059] Steering fan 163

[0060] First temperature sensor 170

[0061] Second temperature sensor 180

[0062] Camera 200

[0063] Transparent screen 300

[0064] Touch screen 400 DETAILED DESCRIPTION

[0065] The present invention is further described below by way of examples, but the present invention is not limited to the scope of the examples.

[0066] The present application embodiment discloses an oven door body, referring to Figure 1 and Figure 2 The oven door includes a main body 100 and an element. One side of the main body 100 is hinged to the oven, so that the main body 100 can be rotated relative to the oven to open or close the oven. The element is arranged on the main body 100 to provide additional functions for the main body 100.

[0067] Reference Figure 3 and Figure 4 , wherein the main body 100 includes three layers of partitions 110 arranged at intervals and a frame 140 for supporting the partitions 110. An air interlayer is formed between two adjacent layers of partitions 110 and the frame 140, and two air interlayers arranged in parallel are formed between the three layers of partitions 110. Each air interlayer has an air cooling flow path 150 formed in which cooling air flows and exchanges heat with the main body 100. The air interlayer of the two air interlayers close to the oven is defined as the inner air interlayer 120, and the air interlayer close to the outside is defined as the outer air interlayer 130. Therefore, by setting the inner air interlayer 120 and the outer air interlayer 130, the thermal resistance of the oven door is improved, and the heat transferred to the outside of the oven door is reduced.

[0068] Among the three layers of partitions 110, the area of ​​the outermost partition 110 is larger than the area of ​​the middle partition 110 and the area of ​​the inner partition 110. The material of the partition 110 can be selected according to the needs. In this embodiment, the partition 110 is made of tempered glass, which is heat-resistant and easy to clean, and it is also convenient to observe the situation inside the oven.

[0069] Reference Figure 4 and Figure 5 The frame 140 is in a U-shape with one end open, so that the air layer formed by the frame 140 and the three-layer partition 110 is connected to the outside, which is convenient for the outside air to enter and exchange heat with the main body 100.

[0070] In this embodiment, two air cooling channels 150 are formed in each air interlayer, and the two air cooling channels 150 in the same air interlayer are located on both sides of the main body 100 in the horizontal direction, and the two air cooling channels 150 are symmetrically arranged along the central axis of the main body 100. In this way, the main body 100 can be cooled more evenly. In other embodiments, the number and arrangement of the air cooling channels 150 in the same air interlayer can also be other suitable options.

[0071] Each air-cooling flow path 150 includes an air inlet 151, an air inlet section 152, an air outlet section 153 and an air outlet 154. One end of the air inlet section 152 is connected to the outside through the air inlet 151, and one end of the air outlet section 153 is connected to the outside through the air outlet 154. The end of the air inlet section 152 away from the air inlet 151 is connected to the end of the air outlet section 153 away from the air outlet 154. A fan unit 160 is provided in each air-cooling flow path 150. When the fan unit 160 is started, it can drive the outside air to flow from the air inlet 151 into the air inlet section 152 and then into the air outlet section 153, and then be discharged from the air outlet 154 after heat exchange with the main body 100. The "air-cooling flow path" here refers to the main flow path of the air used to cool the oven door. In this embodiment, the air-cooling flow path is realized only by the suction of the fan unit 160, and no closed air duct is formed.

[0072] The air inlet 151 and the air outlet 154 are located on the same side of the main body 100, so that the cooling air enters the air cooling flow path 150 and then turns back along the air inlet section 152 and the air outlet section 153, fully exchanges heat with the main body 100 and then is discharged. Specifically, the air inlet 151 and the air outlet 154 are both located on one side of the U-shaped opening of the frame 140.

[0073] In another embodiment, the air inlet 151 and the air outlet 154 are both located on a side of the main body 100 away from its hinged oven, so that the air flowing into the main body 100 from the air inlet 151 or the air flowing out of the main body 100 from the air outlet 154 is unlikely to affect the user or food, thereby improving the user experience.

[0074] In another embodiment, the edges of the air inlet section 152 and the air outlet section 153 are both provided with enclosing wall structures, so that the airflow in the air-cooling flow path 150 flows along the air-cooling flow path 150 under the restriction of the enclosing wall structure, that is, a closed or semi-closed air duct is formed.

[0075] Reference Figure 4 and Figure 5The fan unit 160 includes an air intake fan 161, an exhaust fan 162 and a steering fan 163. The air intake fan 161 is arranged in the air intake section 152, and its air outlet faces away from the air inlet 151; the exhaust fan 162 is arranged in the air outlet section 153, and its air outlet faces the air outlet 154; the steering fan 163 is arranged at the connection between the air intake section 152 and the air outlet section 153, and its air outlet faces the air outlet section 153. Therefore, when the fan unit 160 is started, the air intake fan 161 draws the outside air from the air inlet 151 into the air intake section 152, the steering fan 163 drives the air in the air intake section 152 to flow into the air outlet section 153, and the exhaust fan 162 drives the air in the air outlet section 153 to be discharged from the main body 100 through the air outlet 154. In this way, the air flows along the air-cooling flow path 150 to exchange heat with the main body 100.

[0076] In this embodiment, in the air-cooling flow path 150, the air inlet section 152 is arranged in the middle of the main body 100 in the horizontal direction, and the air outlet section 153 is arranged at the edge of the main body 100 in the horizontal direction. Thus, the air outlet sections 153 in the two air-cooling flow paths 150 in the same air interlayer are located in the middle of the main body 100 in the horizontal direction and are close to each other, and the two air outlet sections 153 are respectively located at the edge of the main body 100 in the horizontal direction. In addition, in other embodiments, the air inlet section 152 and the air outlet section 153 may also be arranged in other suitable ways.

[0077] Reference Figure 2 and Figure 4 In this embodiment, the elements arranged on the main body 100 include a camera 200 for capturing images of the state of food being baked in the oven. The camera 200 can be fixed to the main body 100 by bolting, clamping, bonding, etc. In this embodiment, the camera 200 is specifically fixed to the inner side of the outer partition 110 by bonding.

[0078] The camera 200 is arranged in the middle of the outer baffle 110 in the horizontal direction, so that the camera 200 is located in the two air inlet sections 152. Since the temperature of the air is positively correlated with the time of heat exchange between the air entering the main body 100 and the main body 100, the air flow temperature in the air inlet section 152 is lower than the air flow temperature in the air outlet section 153, and the heat exchange efficiency is high, which is beneficial to the cooling of the camera 200 and the main body 100 where the camera 200 is installed, and further can ensure the normal operation of the camera 200.

[0079] In addition, in this embodiment, the components further include a touch screen 400 and a transparent screen 300 for the user to observe the inside of the oven and interact with the oven. The touch screen 400 and the transparent screen 300 are arranged on the inner side of the outer partition 110, and the touch screen 400 and the transparent screen 300 are superimposed and bonded to the middle part of the outer partition 110 in the horizontal direction, so that the touch screen 400 and the transparent screen 300 are both located in the air intake section 152, thereby facilitating the cooling of the touch screen 400 and the transparent screen 300.

[0080] Reference Figure 3 and Figure 4 , a first temperature sensor 170 is provided in the outer air interlayer 130, and a second temperature sensor 180 is provided in the inner air interlayer 120. The first temperature sensor 170 is located in the air-cooling flow path 150 of the outer air interlayer 130 and is used to detect the temperature of the air in the air-cooling flow path 150 of the outer air interlayer 130. The second temperature sensor 180 is located in the air-cooling flow path 150 of the inner air interlayer 120 and is used to detect the temperature of the air in the air-cooling flow path 150 of the inner air interlayer 120. The first temperature sensor 170 is electrically connected to the fan unit 160 in the outer air interlayer 130, and the second temperature sensor 180 is electrically connected to the fan unit 160 in the inner air interlayer 120. Each fan unit 160 can change the speed of the fan according to the temperature of the air in the corresponding air-cooling flow path 150, thereby adjusting the flow rate of the air to adapt to the heat exchange requirements of the main body 100 at different temperatures.

[0081] Specific, combined Figures 1 to 5 The temperature control method of the oven door of the present invention is as follows:

[0082] Define the temperature of the air-cooling flow path 150 of the outer air interlayer 130 as t1, the temperature of the air-cooling flow path 150 of the inner air interlayer 120 as t2, the set temperature of the air-cooling flow path 150 of the outer air interlayer 130 as T1, and the set temperature of the air-cooling flow path 150 of the outer air interlayer 130 as T2; wherein, the values ​​of T1 and T2 can be designed according to actual conditions, and T1 should be less than T2.

[0083] The oven door temperature control method of the present invention comprises the following steps:

[0084] S1, detecting t1 through the first temperature sensor 170, and detecting t2 through the second temperature sensor 180;

[0085] S2, compare the size of t1 and T1;

[0086] If t1 exceeds T1, execute step S3, otherwise execute step S4;

[0087] S3, adjusting the gear position of the oven to reduce the working temperature of the oven;

[0088] S4, compare t2 and T2, if t2 exceeds T2, go to step S5, otherwise go to step S6;

[0089] S5, turning on the fan unit 160 to cool the oven door;

[0090] Wherein, step S5 comprises the following steps:

[0091] S51, turning on the fan unit 160 of the inner air layer 120 and continuing to work for a set time;

[0092] This set time can be set according to needs.

[0093] S52, compare t2 and T2, if t2 exceeds T2, execute step S53, otherwise execute step S6;

[0094] S53 , turning on the fan unit 160 of the air cooling flow path 150 of the inner air interlayer 120 and the fan unit 160 of the air cooling flow path 150 of the outer air interlayer 130 .

[0095] When the fan unit 160 is used to cool the oven door, the fan unit 160 in the air cooling flow path 150 of the inner air interlayer 120 is first turned on and operated for a period of time. If t2 does not exceed T2, the fan unit 160 in the air cooling flow path 150 of the inner air interlayer 120 has already met the cooling requirement of the oven door, and there is no need to turn on the fan unit 160 in the air cooling flow path 150 of the outer air interlayer 130. If t2 still exceeds T2, it means that the cooling requirement of the oven door cannot be met by relying solely on the fan unit 160 in the air cooling flow path 150 of the inner air interlayer 120 for heat dissipation. At this time, the fan unit 160 in the air cooling flow path 150 of the outer air interlayer 130 is turned on to increase the cooling efficiency of the oven door. In this way, the oven door can be further cooled by layers of intelligent cooling.

[0096] S6. Fan unit 160 shuts down.

[0097] After obtaining the temperatures of the air-cooling flow path 150 of the inner air interlayer 120 and the air-cooling flow path 150 of the outer air interlayer 130 of the oven door, the temperature of the air-cooling flow path 150 of the outer air interlayer 130 is compared. Once the temperature of the air-cooling flow path 150 of the outer air interlayer 130 exceeds the set temperature T1, it is necessary to promptly lower the operating temperature of the oven to prevent component damage or burns to the user; when the temperature of the air-cooling flow path 150 of the inner air interlayer 120 exceeds the set temperature T2 of the air-cooling flow path 150 of the inner air interlayer 120, the fan unit 160 is turned on to cool the oven door; when the temperature of the air-cooling flow path 150 of the inner air interlayer 120 does not exceed the set temperature T2 of the air-cooling flow path 150 of the inner air interlayer 120, there is no need to turn on the fan unit 160; thereby, the oven door is intelligently cooled according to different baking temperatures, efficiently cooling the temperature while saving energy consumption.

[0098] Although the specific embodiments of the present invention are described above, it should be understood by those skilled in the art that this is only for illustration and the protection scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A method for controlling the temperature of an oven door, which is used to control the temperature of an oven door, characterized in that: The oven door body comprises a main body and a fan unit for providing cooling air to the main body, the main body has an air cooling flow path for air flow and heat exchange, the air cooling flow path has an air inlet and an air outlet connected to the outside of the main body, the fan unit is arranged in the main body and is arranged to drive external air to flow into the air cooling flow path through the air inlet to exchange heat with the main body and flow out from the air outlet; Wherein, the air inlet and the air outlet are located on the same side of the main body, the air cooling flow path includes an air inlet section and an air outlet section, one end of the air inlet section is connected to the air inlet, one end of the air outlet section is connected to the air outlet, and one end of the air inlet section away from the air inlet is connected to one end of the air outlet section away from the air outlet; The main body includes a frame and three layers of partitions installed on the frame, the three layers of partitions are arranged at intervals, two air-cooling flow paths are formed between two adjacent layers of partitions, each of the air-cooling flow paths is provided with the fan unit, and the two air-cooling flow paths are located on both sides of the main body in the horizontal direction; A first temperature sensor is provided in the air-cooling flow path located in the outer layer, and a second temperature sensor is provided in the air-cooling flow path located in the inner layer, the first temperature sensor and the second temperature sensor are both electrically connected to the fan group, and the fan speed of the fan group changes according to the temperature detected by the first temperature sensor and the second temperature sensor; Define the temperature of the air-cooling flow path located in the outer layer as t1, the temperature of the air-cooling flow path located in the inner layer as t2, the set temperature of the air-cooling flow path in the outer layer as T1, and the set temperature of the air-cooling flow path in the inner layer as T2; The oven door temperature control method comprises the following steps: S1, detect t1 and t2; S2, compare the size of t1 and T1; If t1 exceeds T1, execute step S3, otherwise execute step S4; S3, lower the oven operating temperature; S4, compare t2 and T2, if t2 exceeds T2, go to step S5, otherwise go to step S6; S5, turning on the fan unit to cool down the oven door; S6, fan unit shut down; Step S5 includes the following steps: S51, turning on the fan unit located in the inner layer and continuing to work for a set time; S52, compare t2 and T2, if t2 exceeds T2, execute step S53, otherwise execute step S6; S53, turning on the fan unit located at the inner layer and the fan unit located at the outer layer.

2. The oven door temperature control method according to claim 1, characterized in that: The air inlet and the air outlet are both arranged on one side of the main body for hingedly connecting the oven.

3. The oven door temperature control method according to claim 1, characterized in that: The fan unit includes an intake fan for sucking air into the air-cooling flow path and an exhaust fan for exhausting air in the air-cooling flow path. The intake fan is arranged in the air intake section, and the exhaust fan is arranged in the air outlet section.

4. The oven door temperature control method according to claim 3, characterized in that: The fan assembly also includes a turning fan for delivering the air in the air inlet section to the air outlet section, and the turning fan is arranged at the connecting point between the air inlet section and the air outlet section.

5. The oven door temperature control method according to claim 1, characterized in that: The air inlet section is located at the middle of the main body in the horizontal direction, and the air outlet section is located at the edge of the main body in the horizontal direction.

6. The oven door temperature control method according to claim 5, characterized in that: A camera is arranged in the main body, and the camera is located in the air intake section.

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