An automatic door opening oven with moisture compensation function

Abstract

This invention relates to the field of ovens, and more particularly to an automatic door-opening oven with a moisture compensation function. Existing ovens have limited effectiveness in compensating for moisture in baked goods, resulting in a limited compensation range and difficulty in removing residual moisture from the steam pipes, making maintenance challenging. The automatic door-opening oven with a moisture compensation function is characterized by: a cabinet, a retaining shell, a baking lamp, a flip-top, a water storage assembly, a piping assembly, and a moisture compensation assembly. The cabinet has a square, hollow structure. The retaining shell is fixed inside the cabinet, and the baking lamp is located on the upper inner side of the cabinet and connected to the retaining shell. By utilizing the narrow opening of the flat-head tube, combined with the pressurization within the piston tube, the steam from the upper hose can be sprayed further, thereby compensating for moisture in the center of the baked goods. Simultaneously, the wide opening of the expanding tube allows steam to be sprayed more widely onto the sides of the baked goods, increasing the moisture compensation range.

Description

Technical Field

[0001] This invention relates to the field of ovens, and more particularly to an automatic door-opening oven with a moisture compensation function. Background Technology

[0002] In the field of modern food baking, oven performance plays a crucial role in food quality. To achieve the ideal taste, color, and texture of baked goods, moisture compensation within the oven during the baking process is an important technical method. Currently, most ovens on the market consist of a cabinet, a mounting plate, and a baking lamp. The mounting plate and baking lamp are located inside the cabinet. Moisture compensation typically employs a pump and an electronically controlled valve in tandem. This method uses electricity to drive an air pump, increasing the steam pressure to a preset value. Then, the intermittent opening and closing of the electronically controlled valve injects steam into the oven, thereby compensating for the moisture content of the baked goods.

[0003] However, this traditional control scheme has many drawbacks. The air pump and the electric control valve need to be started and stopped at high frequencies, which shortens the service life of the air pump and the electric control valve. In particular, the stator winding of the air pump needs to withstand high current surges every time it starts. Under the high-frequency electromagnetic drive, the armature of the electric control valve core periodically collides with the iron core. Therefore, the traditional control scheme increases the maintenance frequency and the cost of use, and it is difficult to meet the requirements in terms of reliability and durability. Summary of the Invention

[0004] To overcome the above-mentioned shortcomings, the present invention provides an automatic door-opening oven with moisture compensation function that achieves intermittent steam pressurization and channel control through a single power source based on mechanical linkage, avoiding high-frequency start and stop of electric air pumps and electronic control valves, thereby significantly extending the service life of core components.

[0005] The technical solution of the present invention is: an automatic door-opening oven with moisture compensation function, comprising a main body, a flip-top, a water storage assembly, a piping assembly, and an intermittent compensation assembly. The main body includes a cabinet and a heat exchange lamp. The flip-top is located within the cabinet. The water storage assembly is positioned above the heat exchange lamp, generating steam through heat exchange. The piping assembly and the intermittent compensation assembly are located inside the cabinet. One end of the piping assembly is connected to the water storage assembly, and the other end is connected to the intermittent compensation assembly. The intermittent compensation assembly includes a power component, a piston tube, and an opening / closing valve. One side of one end of the piston tube is connected to the piping assembly, and the other side is connected to the opening / closing valve via the piping assembly. The reciprocating compression inside the piston tube controls the opening and closing of the opening / closing valve.

[0006] The opening and closing valve in the intermittent compensation assembly includes a rotating groove tube and a rotating gear. The rotating groove tube rotates within the intermittent compensation assembly, and the rotating gear is connected to the rotating groove tube at one end and to the power component at the other end.

[0007] The power component in the intermittent compensation assembly includes a piston rod, a pusher, and a limiting member. The piston rod is provided inside the piston tube for pushing the steam to reciprocate and compress. The rotating gear is connected to the pusher for controlling the intermittent rotation of the rotating groove tube. The limiting member is provided on the pusher and is used to maintain the opening and closing state of the rotating groove tube.

[0008] The pushing component includes a fixed rack and a lever. The fixed rack is connected to the electric drive component, and the lever is movable on the fixed rack. The lever can only push the rotating gear to rotate in one direction.

[0009] The limiting member includes a protrusion for limiting the rotation amplitude of the rotating groove tube and a retaining strip for limiting the rotating groove tube. The protrusion is connected to the rotating groove tube, and the retaining strip is connected to the pushing member.

[0010] It also includes the flip cover, which is disposed on the box body. The flip cover includes an opening and closing cover plate, which is hinged to the box body and electrically connected to the box body.

[0011] It also includes a closing component, which is disposed on the pipeline assembly. The closing component includes a trigger and a closing plug for controlling the opening and closing of the pipeline assembly. The trigger is slidably connected to the pipeline assembly.

[0012] The trigger includes a wedge-shaped bar and an annular bar, the wedge-shaped bar being connected to the flip cover for pushing the annular bar to slide circumferentially across the pipeline assembly.

[0013] The piping assembly includes an expanded end pipe for edge moisture compensation and a flat end pipe for center moisture compensation.

[0014] The beneficial effects of the present invention are: 1. The water stored in the water storage component is heated by the heat radiation of the baking lamp to generate steam. The steam in the water storage component is separated and controlled by the intermittent compensation component and continues to be directed to the surface of the baked food through the pipeline component, so as to compensate the moisture of the baked food by the steam.

[0015] 2. The piston rod reciprocates inside the piston tube, pressurizing the steam inside the cylinder. The pressurized steam is then directed out through the flared pipe via the delivery hose, allowing more steam to act on the surface of the baked food and reducing the amount of steam trapped in the lower hose due to insufficient pressure.

[0016] 3. By intermittently rotating the rotating tube, steam is intermittently introduced into the lower and upper hoses. The narrow opening of the flat-head tube, combined with the pressurization in the piston tube, allows the steam in the upper hose to be sprayed further, thus compensating for moisture in the center of the baked food. At the same time, the wide opening of the expanding tube allows steam to be sprayed into the sides of the baked food over a wider area, increasing the moisture compensation range. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the box body, the opening and closing cover, and the plug of the present invention.

[0018] Figure 2 This is a partial three-dimensional structural diagram of the housing, casing, heating lamp, flip cover, and water storage component of the present invention.

[0019] Figure 3 This is a partial three-dimensional structural diagram of the casing, drive motor, and opening / closing cover of the present invention.

[0020] Figure 4 For the present invention Figure 3 A magnified three-dimensional structural diagram of A in the middle.

[0021] Figure 5 This is a cross-sectional three-dimensional structural diagram of the water storage component of the present invention.

[0022] Figure 6 This is a partial three-dimensional structural diagram of the pipeline assembly and closure assembly of the present invention.

[0023] Figure 7 This is a partial three-dimensional structural diagram of the steam assembly, reciprocating assembly, and switching assembly of the present invention.

[0024] Figure 8 This is a three-dimensional structural diagram of the intermittent compensation component of the present invention.

[0025] Figure 9 This is a partial three-dimensional structural diagram of the intermittent compensation component of the present invention.

[0026] The markings in the attached diagram are as follows: 1. Housing; 2. Clamping device; 3. Heat lamp; 4. Drive motor; 5. Rotating shaft; 6. Opening / closing cover; 71. Water tank; 72. Water inlet; 73. Piston head; 81. Air inlet pipe; 82. Arc-shaped pipe; 83. Extension pipe; 84. Piston pipe; 85. Delivery hose; 86. One-way valve; 91. Fixed hollow pipe; 93. Fixed guide pipe; 94. Expanded head pipe; 95. Lower hose; 96. Flat head pipe; 97. Upper hose; 101. Electric 102. Slide rail; 103. Electric slider; 104. Piston rod; 105. Fixed rack rod; 106. Lever; 107. Rotary groove tube; 108. Limiting ring; 109. Protruding strip; 1010. Rotary gear; 1011. Fixed ring; 1012. Torsion spring; 1013. Arc-shaped limiting strip; 1014. Locking strip; 12. Closing assembly; 121. Wedge-shaped strip; 122. Annular strip; 123. Closing plug; 124. Compression spring; 125. Fixed head. Detailed Implementation

[0027] The embodiments of the present invention will be described below with reference to the accompanying drawings.

[0028] Example 1

[0029] See Figures 1-8As shown, this embodiment proposes an automatic door-opening oven with moisture compensation function, including: a main body, a flip-top, a water storage assembly, a piping assembly, and an intermittent compensation assembly. The main body consists of a cabinet 1, a retaining shell 2, and a baking lamp 3. The cabinet 1 has a square hollow structure and houses an existing electronic control module. The retaining shell 2 is fixed inside the cabinet 1. The baking lamp 3 is located on the upper inner side of the cabinet 1 and is fixedly connected to the retaining shell 2. The flip-top for closing the cabinet 1 is movably located at the axial front end of the cabinet 1. The water storage assembly is located between the baking lamp 3 and the top inner side of the cabinet 1 and is connected to the retaining shell 2. One end of the piping assembly for transporting steam is vertically connected to the inside of the cabinet 1, and the other end is vertically connected to the water storage assembly. Based on current ovens, when baking food, prolonged heating by the baking lamp 3 dries out some of the moisture in the baked food, resulting in significant moisture loss and affecting the baking process. Regarding the taste after baking, one embodiment proposes to compensate for the moisture loss of the baked food by reducing the moisture loss caused by the oven. Specifically, the user pulls the flip cover to open the cabinet 1, puts the food into the cabinet 1, closes the flip cover, and turns on the baking lamp 3. The baking lamp 3, after being powered on, generates heat radiation, which accelerates the intense friction of water molecules in the food, generating internal energy. After a certain period of time, the food gradually heats up. The water storage component located above the baking lamp 3 heats the water stored in the water storage component to generate steam through the heat radiation of the baking lamp 3. The steam in the water storage component is distributed to the pipe components on both sides, and all of them enter the intermittent compensation component for control. Then, the steam continues to be directed to the surface of the food through the pipe components located on both sides of the cabinet 1, and the steam compensates for the moisture loss of the food.

[0030] See Figures 1-4 As shown, the flip-top assembly includes a drive motor 4, a rotating shaft 5, and an opening / closing cover 6. The drive motor 4 is located inside the oven body 1 on one side and is connected to the oven's electronic control module circuit. The rotating shaft 5 is horizontally connected to the output shaft of the drive motor 4, passing through the retaining housing 2. The opening / closing cover 6 is located at the axial front end of the oven body 1 and is horizontally connected to the rotating shaft 5. When the oven is powered on and food needs to be placed in it for baking, the user can press the program on the oven to start the drive motor 4 clockwise through the oven's existing electronic control module, causing the rotating shaft 5 and the opening / closing cover 6 to flip and open clockwise around the rotating shaft 5. Alternatively, when the oven has reached the set baking time for the food, the oven's electronic control module can control the program to start the drive motor 4, allowing the user to place or remove the food for baking and then close the opening / closing cover 6 back into place.

[0031] See Figures 4-8As shown, the water storage assembly includes a water tank 71, an inlet 72, and a piston head 73. The water tank 71 is located between the housing 1 and the heating lamp 3 and is fixedly connected to the housing 2. The inlets 72 are two inlets located on both sides of the water tank 71, penetrating the housing 1 and connected to the water tank 71. The piston head 73 is inserted into the two inlets 72 to close the inlets 72. Since the water stored inside the water tank 71 evaporates after a certain period of time, the water volume will decrease and it will be unable to evaporate and generate steam. In this embodiment, the user can remove the two piston heads 73 and insert an external water pipe into the inlet 72 to replenish the water tank 71, so that the water tank 71 stores enough water for evaporation. After compensation, the piston head 73 is reinserted to close the inlet 72. The process is convenient, simple, and efficient.

[0032] See Figures 4-8 As shown, both sides of the casing 2 are equipped with pipe assemblies, which include an air inlet pipe 81, an arc-shaped pipe 82, an extension pipe 83, a fixed hollow pipe 91, and a fixed guide pipe 93. One side of the arc-shaped pipe 82 is connected to the water tank 71, and one end of the air inlet pipe 81 is fixed to and connected to the water inlet 72 on the same side. The air inlet pipe 81 is inclined downwards and connected to the water inlet 72. The downward inclination prevents water from flowing into the steam pipe through the air inlet pipe 81 during subsequent replenishment of water to the water tank 71. The end is connected to one side of the arc-shaped tube 82 and is in communication with it. The extension tube 83 is connected to the middle of the arc-shaped tube 82 and is in communication with it. The piston tube 84 is fixed to the side of the clamping case 2 and the end far from the closing cover plate 6 is connected to the extension tube 83. The axial rear end of the piston tube 84 is connected to the conveying hose 85. Two one-way valves 86 are respectively fixed to the ends of the extension tube 83 and the conveying hose 85 located inside the piston tube 84. The function of the two one-way valves 86 is to prevent steam backflow. During the use of the oven, the steam generated in the water tank 71 enters upwards and enters the water tank 71. The water enters the two inlet pipes and then flows along the air inlet, arc-shaped pipe 82, extension pipe 83, and piston pipe 84 into the delivery hose 85. The fixed hollow pipe 91 is fixed to the side of the housing 2. The fixed guide pipe 93 is fitted onto the fixed hollow pipe 91 and fixed to the side of the housing 2. The expanding pipe 94 and the flat pipe 96 are fixedly connected to the side of the housing 2. The flat pipe 96 is located above the expanding pipe 94. One end of the lower hose 95 is connected to the expanding pipe 94, which compensates for moisture on the side of the baked food, and the other end is connected to one side of the intermittent compensation component. The upper hose... One end of 97 is connected to the flat-headed tube 96 that compensates for moisture in the middle of the baked food, and the other end is connected to the other side of the intermittent compensation component. During the use of the oven, the steam in the conveying hose 85 is injected into the fixed hollow tube 91 and then passed into the fixed guide tube 93 through the fixed hollow tube 91. The fixed guide tube 93 splits the steam in the conveying hose 85 into two pairs of expanding tubes 94 and flat-headed tubes 96 to simultaneously deliver steam. The steam is then introduced into the baked food from both sides of the housing 2 through the two sets of moisture compensation components to compensate for moisture.

[0033] See Figure 7 and Figure 8The device also includes an intermittent compensation assembly, consisting of two sets located on either side of the housing 2. Each intermittent compensation assembly includes a power component, a piston tube 84, and an opening / closing valve. The power component includes a piston rod 103, a pushing component, and a limiting component. An electric slide rail 101 and an electric slider 102 are fitted together within the housing 1. The electric slide rail 101 is connected to the circuitry within the housing 1. The electric slider 102 is slidably mounted on the electric slide rail 101. One end of the piston rod 103 is connected to the electric slider 102, and the other end passes through and is slidably connected within the piston tube 84. The pushing component includes a fixed rack 104 and a lever 105. The fixed rack 104 is fixed to one side of the electric slider 102, and the end of the fixed rack 104 away from the electric slider 102 is open. There are four elongated slots, each with a lever 105 rotatably connected to it. Each lever 105 contacts one side of each of the four slots. The opening and closing valve includes a fixed hollow tube 91, a fixed guide tube 93, a rotating slot tube 106, a rotating gear 109, and a torsion spring 1011. The rotating slot tube 106 is movably fitted onto the fixed hollow tube 91 and has two steam slots. The limiting components include a limiting ring 107, a protrusion 108, a fixed ring 1010, an arc-shaped limiting strip 1012, and a retaining strip 1013. The limiting ring 107 is fixed to the end of the fixed guide tube 93 away from the retaining housing 2. The inner side of the limiting ring 107 has two arc-shaped grooves. Two protrusions 108 are fixedly connected to the outer side of the rotating slot tube 106. 108 slides within two arc-shaped grooves on the inner side of the limiting ring 107. A rotating gear 109 and a fixing ring 1010 are fixed to the end of the rotating groove tube 106 away from the retaining housing 2. The fixing ring 1010 is located between the limiting ring 107 and the rotating gear 109. A torsion spring 1011 connects the fixing ring 1010 and the limiting ring 107. An arc-shaped limiting strip 1012 is fixed to the side of the fixing ring 1010 near the fixing rack rod 104. The arc-shaped limiting strip 1012 has a flat surface. A retaining strip 1013 is fixedly connected to the side of the fixing rack rod 104 near the retaining housing 2. Under normal oven conditions, steam can naturally flow into the conveying hose 85, the expanded tube 94, and the flat tube 96 to compensate for the moisture in the baked goods. However, due to… Existing traditional control schemes have many drawbacks. The high-frequency starting and stopping of the air pump and solenoid valve accelerates their lifespan. Specifically, each start-up of the air pump requires its stator windings to withstand high current surges, easily leading to accelerated aging of the winding insulation material and a significant shortening of the motor's lifespan. Under high-frequency electromagnetic drive, the periodic collision between the armature and the core of the solenoid valve causes stress concentration and wear on the valve disc sealing surface, potentially leading to valve disc seal failure. Furthermore, when the air pump and solenoid valve are independently electrically controlled, high-frequency alternating operation is prone to timing deviations and instability. For example, if the air pump pressure is insufficient, the solenoid valve may open erroneously, or if the solenoid valve may delay closing after the air pump stops, resulting in insufficient steam injection pressure or leakage. This embodiment addresses these issues by...In the electrical control module program of the housing 1, it is set that when the food is baked for a certain time, the electric slide rail 101 is energized. The energized electric slide rail 101 drives the electric slider 102 to move back and forth electromagnetically. The electric slider 102 drives the piston rod 103 to move back and forth within the piston tube 84, pressurizing the steam in the piston tube 84 and pushing it into the delivery hose 85. During the pushing and pulling process of the piston rod 103, the steam in the piston tube 84 cannot enter the extension tube 83 through the one-way valve 86. That is, the one-way valve 86 on the extension tube 83 only allows the steam in the extension tube 83 to enter the piston tube 84. Simultaneously, the one-way valve 86 on the delivery hose 85 only allows the steam in the piston tube 84 to enter the delivery hose 85. 103 reciprocates within piston tube 84, pressurizing the steam inside the cylinder. The pressurized steam enters fixed hollow tube 91 and rotating groove tube 106 via delivery hose 85. Simultaneously, the electric push rod drives fixed rack rod 104 and locking bar 1013 to move together. Fixed rack rod 104, via lever 105, pushes rotating gear 109, rotating groove tube 106, fixed ring 1010, arc-shaped limiting bar 1012, and protrusion 108 to rotate 90 degrees. Protrusion 108 rotates along the two arc grooves of limiting ring 107, torsion spring 1011 is twisted, and the two steam grooves of rotating groove tube 106 are connected to lower hose 95 and upper hose 97 respectively. The flat part of arc-shaped limiting bar 1012 is at the top. Then, fixed rack rod 104 and lever 1013 move together. 5. As the locking bar 1013 continues to move, the lever 105 disengages from the rotating gear 109, and the locking bar 1013 limits the arc-shaped limiting bar 1012. Since the arc-shaped limiting bar 1012, the fixing ring 1010, and the rotating groove tube 106 are all fixedly connected, the rotating groove tube 106 remains stationary. When the fixed rack rod 104 and the locking bar 1013 move to their final positions, the locking bar 1013 no longer limits the arc-shaped limiting bar 1012. Under the limiting action of the limiting ring 107 on the protrusion 108, the torsion spring 1011 returns to its original position by ninety degrees. The arc-shaped limiting bar 1012, the fixing ring 1010, and the rotating groove tube 106 return to their original positions. The two steam slots of the rotating groove tube 106 are no longer connected to the lower hose 95 and the upper hose 97. The electric slider 102 drives the fixed rack. Rod 104, locking strip 1013, and lever 105 reset. Locking strip 1013 no longer limits the arc-shaped limiting strip 1012. Lever 105 resets and engages with rotating gear 109. Since rotating gear 109 is limited by limiting ring 107 and protrusion 108, rotating gear 109 presses lever 105, causing lever 105 to swing upward. Lever 105 resets under gravity after passing rotating gear 109. The reciprocating movement of lever 105 drives rotating gear 109 and rotating groove tube 106 to rotate intermittently, thereby intermittently passing steam in rotating groove tube 106 into lower hose 95 and upper hose 97. Then, through the narrow cavity characteristics of flat-head tube 96, combined with the pressurization in piston tube 84, the steam in upper hose 97 can be ejected further.This allows for moisture compensation in the center of the baked food, and the wide opening of the expander tube 94 also enables steam to be injected more widely onto the sides of the baked food, thus increasing the moisture compensation range.

[0034] Example 2

[0035] See Figure 4 and Figure 6 The device also includes a closing assembly 12, which consists of two sets. Each set of closing assemblies 12 is located between the flip cover and the arc-shaped tube 82. The closing assembly 12 includes a trigger and a closing plug 123. The trigger includes a wedge-shaped bar 121, an annular bar 122, a compression spring 124, and a fixing head 125. The wedge-shaped bar 121 slides on the retainer 2 and one end of it contacts the protrusion of the opening and closing cover 6. The annular bar 122 slides annularly inside the arc-shaped tube 82. The closing plug 123 is located inside the arc-shaped tube 82 and is fixedly mounted on the annular bar 122. The compression spring 124 is mounted on the annular bar 122 and connected to the arc-shaped tube 82. The fixing head 125 is fixedly mounted in the middle of the annular bar 122 and contacts the wedge-shaped bar 121. The displacement distance of the wedge-shaped bar 121 is controlled by the diameter of the protrusion of the opening and closing cover 6.

[0036] After the oven reaches the set baking time, the opening and closing cover 6 automatically opens, eliminating the need for moisture compensation inside the oven. Therefore, in this embodiment, when the oven reaches the baking time, the oven light 3 is turned off by the electronic control module program, and the drive motor 4 is controlled to open the opening and closing cover 6. The opening and closing cover 6 flips upward around the rotation axis 5. The protrusion at one end of the opening and closing cover 6 near the rotation axis 5 will squeeze the wedge-shaped strip 121. The other end of the wedge-shaped strip 121 will squeeze the fixing head 125 through the inclined surface. Under the guidance of the arc tube 82, the fixing head 125 pushes the annular strip 122 to rotate counterclockwise along the guide of the arc tube 82. The counterclockwise rotation of the annular strip 122 pulls the compression spring 124 to stretch, and the annular strip 122 drives... The closing plug 123 rotates counterclockwise to the other side in the arc-shaped tube 82, closing the passage between the air inlet pipe 81 and the extension pipe 83 in the arc-shaped tube 82. At the same time, it blocks the steam in the air inlet pipe 81, so that the steam in the water tank 71 will not enter the extension pipe 83. After the baked food is taken out, after the temperature of the water tank 71 drops and no longer produces steam, the opening and closing cover 6 is closed. The opening and closing cover 6 shuts off the drive motor 4 and the electric slide rail 101. The opening and closing cover 6 resets and no longer squeezes the wedge strip 121. At the same time, the compression spring 124 no longer stretches, driving the annular strip 122 to reset and pushing the wedge strip 121 to reset. The closing plug 123 in the annular strip 122 no longer blocks the extension pipe 83 and the air inlet pipe 81.

[0037] The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Therefore, all equivalent changes made to the content described in the claims of the present invention should be included within the scope of the claims of the present invention.

Claims

1. An automatic door-opening oven with moisture compensation function, comprising a main body, a flip-top, a water storage assembly, a piping assembly, and an intermittent compensation assembly, characterized in that: The main body includes a box (1) and a heat exchange lamp (3). The flip cover is located on the box (1). The water storage component is located above the heat exchange lamp (3). The water storage component generates steam through heat exchange. The pipeline component and the intermittent compensation component are located inside the box (1). One end of the pipeline component is connected to the water storage component, and the other end is connected to the intermittent compensation component. The intermittent compensation component includes a power component, a piston tube (84), and an opening and closing valve. One side of one end of the piston tube (84) is connected to the water storage component through the pipeline component, and the other side of one end is connected to the opening and closing valve through the pipeline component. The reciprocating compression inside the piston tube (84) controls the opening and closing of the opening and closing valve. The opening and closing valve in the intermittent compensation assembly includes a rotating groove tube (106) and a rotating gear (109). The rotating groove tube (106) rotates in the intermittent compensation assembly, and the rotating gear (109) is connected to the rotating groove tube (106) and its other end is connected to the power component. The power component in the intermittent compensation assembly includes a piston rod (103), a pusher, and a limiting member. The piston tube (84) is provided with the piston rod (103) for pushing the steam to reciprocate and compress. One end of the piston rod (103) is connected to an electric slider (102). The rotating gear (109) is connected to the pusher for controlling the intermittent rotation of the rotating groove tube (106). The limiting member is used to maintain the opening and closing state of the rotating groove tube (106). The pusher includes a fixed rack (104) and a lever (105). The fixed rack (104) is connected to the electric slider (102), and the lever (105) is movable on the fixed rack (104). The lever (105) can only push the rotating gear (109) to rotate in one direction. The limiting member includes a protrusion (108) for limiting the rotation amplitude of the rotating groove tube (106) and a retaining strip (1013) for limiting the rotation of the rotating groove tube (106). The protrusion (108) is connected to the rotating groove tube (106), and the retaining strip (1013) is connected to the pusher.

2. An automatic door-opening oven with moisture compensation function according to claim 1, characterized in that: It also includes the flip cover, which is disposed on the box body (1). The flip cover includes an opening and closing cover plate (6), which is hinged to the box body (1) and electrically connected to the box body (1).

3. An automatic door-opening oven with moisture compensation function according to claim 2, characterized in that: It also includes a closure component (12), which is disposed on the pipeline assembly. The closure component (12) includes a trigger and a closure plug (123) for controlling the opening and closing of the pipeline assembly. The trigger is slidably connected to the pipeline assembly.

4. An automatic door-opening oven with moisture compensation function according to claim 3, characterized in that: The trigger includes a wedge-shaped bar (121) and an annular bar (122), the wedge-shaped bar (121) being connected to the flip cover for pushing the annular bar (122) to slide annularly on the pipeline assembly.

5. An automatic door-opening oven with moisture compensation function according to claim 1, characterized in that: The piping assembly includes an expanded end pipe (94) for edge moisture compensation and a flat end pipe (96) for center moisture compensation.

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