Multi-cavity error-proof automatic control baking oven and method thereof for integrated circuit testing

Abstract

The present invention discloses a multi-cavity error-proof automatic control baking oven and baking method for integrated circuit testing. The baking oven comprises a baking oven body, which has a plurality of interconnected baking chambers inside, and each baking chamber has a baking entrance on the side facing the front of the baking oven body; each baking chamber is provided with a detection sensor on the inner side opposite to the front of the baking oven body, which is used to detect whether there is a material to be baked in the baking chamber; a plurality of chamber doors are installed on the front of the baking oven body, and the plurality of chamber doors correspond to the baking entrances of the plurality of baking chambers respectively, so as to block or open the baking entrances; a plurality of carrier drawers are respectively installed in the plurality of baking chambers in a drawable manner, and the carrier drawers are used to carry the material to be baked. The baking oven can effectively avoid human error in taking and placing baking products, and ensure the stability of the temperature in the baking oven.

Description

Technical Field

[0001] The invention relates to a multi-cavity error-proofing automatic control baking oven for integrated circuit testing, and also relates to a multi-cavity error-proofing automatic control baking method based on the baking oven, belonging to the technical field of integrated circuit packaging and testing. Background Art

[0002] With the development of the times, cars, computers, and mobile phones have become an important part of our daily work and entertainment. This is mainly due to the rapid development of integrated circuit technology. Integrated circuits are becoming more and more integrated, more powerful, and smaller in size. The integrated circuit testing industry is becoming an indispensable independent industry in the integrated circuit industry. During the testing process, the baking oven plays a vital role as a device to remove moisture from the integrated circuit and ensure the stability of the chip.

[0003] Before integrated circuit chips are assembled into terminal electronic products, they need to be screened according to chip performance. This performance screening process is the chip testing phase. The testing phase receives the wafer sliced ​​and packaged products. In order to ensure that the product performance is not affected by moisture, a baking step will be performed before or after the performance test machine test to remove the moisture in the product. Usually, according to the process requirements, the baking is carried out in an environment above 100 degrees for more than 10 hours.

[0004] At present, the commonly used chip baking oven adopts the traditional method and structure, that is, a multi-layer partition is set in a large overall chamber to place more baking products. According to production needs, personnel place single batches or multiple batches of products in the baking oven, set the temperature, turn on the heating, etc. When there are new products to be baked, open the baking oven door and place the batch of products to be baked in the idle baking area. When the product baking time reaches the requirement, the operator opens the baking oven door with heat-insulating gloves to take out the baked products.

[0005] The chip baking oven in the prior art still has the following problems when it is actually used:

[0006] First, during the actual baking process, the same batch or multiple batches of products will be put in at different times. In this way, when the operator takes out the baking materials, there is a risk of mistakenly taking out products that have not yet reached the baking time or forgetting to take out products that have reached the baking time, which will cause the products to be incompletely baked or over-baked.

[0007] Second, when adding products to be baked during the baking process, the chamber door needs to be opened, which will cause the internal temperature of the baking oven to not match the set temperature.

[0008] Third, adding products to be baked during the baking process requires operators to place the products into a high-temperature box, which poses operational risks such as burns.

[0009] Fourth, when operators are taking and placing products, they need to operate carefully and slowly due to the high temperature and the products being placed inside.

[0010] Fifth, since it is not easy to distinguish between the products to be baked and the products that have been baked, there is a risk of mixing them during human operation. Summary of the invention

[0011] The primary technical problem to be solved by the present invention is to provide a multi-cavity error-proof automatic control baking oven for integrated circuit testing.

[0012] Another technical problem to be solved by the present invention is to provide a multi-cavity error-proof automatic control baking method for integrated circuit testing.

[0013] In order to achieve the above technical objectives, the present invention adopts the following technical solutions:

[0014] According to a first aspect of an embodiment of the present invention, there is provided a multi-cavity error-proofing automatic control oven for integrated circuit testing, comprising:

[0015] The oven body has a plurality of interconnected baking cavities inside, and each baking cavity has a baking inlet on a side facing the front of the oven body; each baking cavity is provided with a detection sensor on the inner side opposite to the front of the oven body, for detecting whether there is material to be baked in the baking cavity;

[0016] A plurality of chamber doors are installed on the front side of the baking oven body, and the plurality of chamber doors respectively correspond to the baking entrances of the plurality of baking chambers to block or open the baking entrances;

[0017] A plurality of carrier drawers are respectively installed in the plurality of baking chambers in a drawable manner, and the carrier drawers are used for carrying the materials to be baked.

[0018] Preferably, a chamber label is installed on the chamber door, and a label telescopic mechanism is provided on one side of the chamber label, and the label telescopic mechanism can be telescopically moved along a set direction to cover or expose the chamber label.

[0019] Preferably, the label telescopic mechanism includes a telescopic cylinder, a fixed block and a shielding plate, the telescopic cylinder is fixed on one side of the chamber label, the fixed block is fixed on the power output end of the telescopic cylinder, and the shielding plate is fixed on the side of the fixed block close to the chamber door. The power output end of the telescopic cylinder can drive the fixed block to telescopically move in a direction close to or away from the chamber label to drive the shielding plate to shield or expose the chamber label.

[0020] Preferably, the carrier drawer has a receiving cavity, four corners of the bottom of the receiving cavity are provided with support seats, and side walls on both sides of the receiving cavity are provided with mutually symmetrical taking and placing grooves.

[0021] Preferably, a detection through hole is provided on one end of the carrier drawer close to the detection sensor, and a handle is provided on one end of the carrier drawer away from the detection sensor.

[0022] Preferably, slideways are provided on the inner walls on both sides of the baking cavity, and guide wheels are provided on the outer walls on both sides of the carrier drawer, and the guide wheels are slidably matched with the slideways.

[0023] Preferably, a plurality of electric magnetic locks are further provided on the front of the oven body, and each of the electric magnetic locks is respectively arranged on one side of each of the chamber doors to lock or unlock the chamber door.

[0024] According to a second aspect of an embodiment of the present invention, a baking method based on a multi-cavity error-proofing automatic control baking oven for integrated circuit testing is provided, comprising the following steps:

[0025] Starting the oven body and heating the inner baking cavity of the oven body to a set temperature;

[0026] Open the chamber door, put the material to be baked into the carrier drawer, and push it into the baking chamber;

[0027] Close the chamber door and use the detection sensor to detect whether there is material to be baked in the baking chamber. If there is, set the baking time and start timing. If not, start the material-free alarm program;

[0028] When the set time is reached, the prompt alarm program is started;

[0029] The detection sensor is used to detect whether there is material to be baked in the baking chamber. If so, the prompt alarm program is continuously started. If not, the prompt alarm program is cancelled and the next batch of materials is waited for.

[0030] Preferably, the process of opening the chamber door, placing the material to be baked into the carrier drawer, and pushing the material into the baking chamber specifically includes the following steps:

[0031] Click the chamber door opening button on the oven body;

[0032] The working status of each baking cavity is displayed by a cavity label installed on the cavity door;

[0033] Scan the barcode of the chamber label to perform system recording and information comparison to bind the material to be baked with the chamber label;

[0034] The working state is that the baking chamber door is opened when the chamber is empty;

[0035] The material to be baked is placed in the carrier drawer of the baking cavity and pushed into the baking cavity.

[0036] Preferably, the no-material alarm procedure includes:

[0037] When the detection sensor detects that there is no material in the baking chamber, the chamber label installed on the chamber door displays an abnormality to provide a no-material alarm prompt;

[0038] Manual on-site confirmation to eliminate alarm factors;

[0039] Chamber labeling returned to normal.

[0040] The multi-cavity error-proof automatic control baking oven provided by the present invention can effectively prevent human error in taking and placing baking products because the baking oven body has multiple interconnected baking chambers. At the same time, each baking chamber is provided with an independent chamber door, which is automatically controlled in conjunction with the electric magnetic lock on one side of each chamber door to ensure that the baking time of each product meets the process requirements. In addition, since the opening of a single baking chamber has little effect on the temperature in the baking oven, the stability of the temperature in the baking oven is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 A schematic diagram of the structure of a multi-cavity error-proofing automatic control baking oven for integrated circuit testing provided by an embodiment of the present invention;

[0042] Figure 2 This is a structural schematic diagram of a carrier drawer in an embodiment of the present invention;

[0043] Figure 3 This is a schematic diagram of the structure of a chamber door in an embodiment of the present invention;

[0044] Figure 4 A flow chart of a multi-cavity error-proof automatic baking control method provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0045] The technical content of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0046] <First Embodiment>

[0047] Please refer to Figure 1As shown, a multi-cavity error-proofing automatic control baking oven for integrated circuit testing provided by an embodiment of the present invention comprises: a baking oven body 1, a plurality of chamber doors 2, and a plurality of carrier drawers 3. The baking oven body 1 has a baking inner cavity, and the baking inner cavity has a heating component and a temperature control component so that the baking inner cavity can reach a set temperature. The plurality of chamber doors 2 are used to open or close the baking entrance. The plurality of carrier drawers 3 are used to carry materials to be baked (for example, Tray carriers or wafer slices and encapsulated products), and can enter and exit the baking oven body 1 to bake or take out the materials to be baked.

[0048] The oven body 1 has a plurality of interconnected baking cavities 11, that is, the large cavity inside the oven body 1 is divided into a plurality of interconnected small cavities; each baking cavity 11 faces the front of the oven body 1 (i.e. Figure 1 A baking entrance 111 is provided on one side of the baking cavity 11 (the A side) for the entry and exit of materials to be baked; a detection sensor 12 is provided on the inner side of each baking cavity 11 opposite to the front side of the baking oven body 1 for detecting whether there is material to be baked in the baking cavity 11.

[0049] In the embodiment of the present invention, the baking oven body 1 is preferably in a rectangular shape, and the baking cavity 11 is also in a rectangular shape, but is not limited to the specific shapes of the baking oven body 1 and the baking cavity 11. In other embodiments, they can also be other shapes such as cylindrical, triangular prism, etc.

[0050] Multiple chamber doors 2 are installed on the front of the baking oven body 1, and the multiple chamber doors 2 correspond to the baking entrances 111 of the multiple baking chambers 11 respectively to block or open the baking entrances 111. Among them, the multiple chamber doors 2 are independently controlled, and the opening and closing of one chamber door 2 does not affect the normal use of other chamber doors 2. Each independent chamber door 2 is opened and closed and alarms according to the actual setting conditions. The multi-chamber structural design can effectively isolate human errors in taking and placing the materials to be baked. Combined with the independent control of multiple chamber doors 2, it can ensure that the baking time of each material to be baked meets the process requirements. At the same time, since the area of ​​the door opened when each baking chamber 11 takes in and places the materials to be baked is small, the impact on the internal temperature of the baking oven body 1 is small.

[0051] The plurality of carrier drawers 3 are respectively installed in the plurality of baking chambers 11 in a retractable manner, and the carrier drawers 3 are used to carry the materials to be baked. Figure 2As shown, the carrier drawer 3 has a accommodating cavity 31, and the material to be baked is used to be placed in the accommodating cavity 31; the four corners of the bottom of the accommodating cavity 31 are provided with support seats 32, which are used to provide support for the placement of the material to be baked. When the material to be baked is placed in the accommodating cavity 31, the four corners of the material to be baked can be supported on the four support seats 32 respectively, so that the material to be baked is suspended in the accommodating cavity 31, so as to facilitate baking of the top and bottom surfaces of the material to be baked; at the same time, mutually symmetrical taking and placing grooves 311 are opened on the side walls on both sides of the accommodating cavity 31, so as to facilitate the taking and placing of the material to be baked.

[0052] In addition, in the embodiment of the present invention, the side walls on both sides of the accommodating cavity 31 are inclined guide surfaces, that is, the distance between the tops of the side walls on both sides of the accommodating cavity 31 is slightly larger than the distance between the bottoms of the side walls on both sides of the accommodating cavity 31, thereby providing a certain guiding effect for the placement of the material to be baked, facilitating the placement and taking of the material to be baked.

[0053] In the above embodiment, a detection through hole 33 is provided on the carrier drawer 3 at one end close to the detection sensor 12, so that the detection sensor 12 can detect whether there is material to be baked in the accommodating cavity 31 through the detection through hole 33; the detection through hole 33 is preferably in a long strip shape, but can also be circular or polygonal. At the same time, a handle 34 is provided on the carrier drawer 3 at one end away from the detection sensor 12, and the carrier drawer 3 can be pulled out by the handle 34, so as to improve the convenience of pulling out the carrier drawer 3.

[0054] In the above embodiment, slideways 112 are provided on the inner walls of both sides of the baking cavity 11, and guide wheels 35 are provided on the outer walls of both sides of the carrier drawer 3, and the guide wheels 35 are slidably matched with the slideways 112. Therefore, the sliding match between the guide wheels 35 and the slideways 112 can guide the movement of the carrier drawer 3 on the one hand, and can also improve the convenience of pulling out the carrier drawer 3 on the other hand. Preferably, the diameter of the guide wheel 35 matches the width of the slideway 112, so as to improve the stability of pulling out the carrier drawer 3. Of course, in other embodiments, the diameter of the guide wheel 35 can also be smaller than the width of the slideway 112, and the specific size is not limited here.

[0055] Reference Figure 3As shown, a chamber label 21 is installed on the chamber door 2, and a label telescopic mechanism 22 is provided on one side of the chamber label 21. The label telescopic mechanism 22 can telescopically move along a set direction to cover or expose the chamber label 21. The barcode of the chamber label 21 contains chamber information, and the chamber information may specifically include: the location and number of the baking chamber 11, the current working status, etc. When the operator presses the feed door opening button, the label telescopic mechanism 22 drives the chamber label 21 to automatically rise and display to display the baking chamber 11 that is currently in an idle state. After confirming the current batch by scanning the code, the idle baking chamber 11 is opened, and the operator draws out the carrier drawer 3, places the material to be baked in the carrier drawer 3, and pushes the carrier drawer 3 back into the baking chamber 11, and then closes the chamber door 2. The batch anti-mixing of the materials to be baked is achieved through data comparison of the label telescopic mechanism 22 (i.e. hardware) and the label identification system (i.e. software). That is, the batch of products entering the box is bound to the chamber label 21 to record which material to be baked is placed in each baking chamber 11. After baking starts, the label telescopic mechanism 22 drives the chamber label 21 to be automatically hidden.

[0056] In the above embodiment, the label telescopic mechanism 22 includes a telescopic cylinder 221, a fixed block 222 and a baffle plate 223. Among them, the telescopic cylinder 221 is fixed on one side of the chamber label 21 to provide driving force. In other embodiments, the telescopic cylinder 221 can also be adaptively replaced with a linear motor, an electric push rod and other power components; the fixed block 222 is fixed on the power output end of the telescopic cylinder 221 to serve as a connecting piece between the telescopic cylinder 221 and the baffle plate 223; the baffle plate 223 is fixed on the fixed block 222 on one side close to the chamber door 2, and the power output end of the telescopic cylinder 221 can drive the fixed block 222 in the direction close to or away from the chamber label 21 (i.e. Figure 3 The telescopic cylinder 221 is telescopically moved in the vertical direction to drive the shielding plate 223 to shield or expose the chamber label 21. It can be understood that the telescopic cylinder 221 is electrically connected to the label recognition system to control the telescopic movement of the telescopic cylinder 221 through the label recognition system.

[0057] Reference Figure 1As shown, in the above embodiment, a plurality of electric magnetic locks 13 are further provided on the front of the oven body 1, and each electric magnetic lock 13 is respectively arranged on one side of each chamber door 2 to lock or unlock the chamber door 2. Specifically, the electric magnetic lock 13 realizes locking or unlocking the chamber door 2 by switching on and off the magnetic force, for example: the electric magnetic lock 13 generates magnetic force when it is powered on, and has no magnetic force when it is powered off. When the chamber door 2 is closed, the electric magnetic lock 13 is powered on to generate magnetic force to lock the chamber door 2; when the chamber door 2 needs to be opened, the electric magnetic lock 13 is powered off to make the electric magnetic lock 13 have no magnetic force. At this time, the electric magnetic lock 13 unlocks the chamber door 2 and can open the chamber door 2. Therefore, the use of the electric magnetic lock 13 can improve the stability and sealing of the chamber door 2, and no malfunction caused by the chamber door 2 not being closed tightly will occur.

[0058] In addition, it can be understood that the electric magnetic lock 13 can be automatically controlled by the control system. When the chamber label 21 shows that the baking chamber 11 is currently in an idle state, the current batch is confirmed by scanning the code, and the electric magnetic lock 13 is controlled to be powered off, so that the baking chamber 11 in an idle state can be opened. In this embodiment, using the electric magnetic lock 13 to lock the chamber door 2 is only one of the implementation methods. In other embodiments, the electric magnetic lock 13 can be adaptively replaced by other mechanical locks or electric lock structures.

[0059] <Second Embodiment>

[0060] Reference Figure 4 As shown, an embodiment of the present invention further provides a baking method based on a multi-cavity error-proofing automatic control baking oven for integrated circuit testing, which at least includes the following steps:

[0061] S1: starting the oven body 1 and heating the inner baking cavity of the oven body 1 to a set temperature.

[0062] Specifically, by pressing the start button 101 and the heating button 102 on the oven body 1, the heating system in the oven body starts heating, and the internal temperature of the oven body is detected by the temperature sensor. When the temperature sensor detects that the internal temperature of the oven body reaches the set temperature, the heating is stopped and the insulation mode is turned on to keep the temperature at the set temperature.

[0063] S2: Open the chamber door, put the material to be baked into the carrier drawer, and push it into the baking chamber.

[0064] Specifically, it further includes steps S21 to S24:

[0065] S21: Click the chamber door opening button 103 on the oven body 1;

[0066] S22: Displaying the working status of each baking cavity 11 through the cavity label 21 installed on the cavity door 2; that is, the position, number and whether each baking cavity 11 is in an idle state;

[0067] S23: Scan the barcode of the chamber label 21 to perform system recording and information comparison, so as to bind the material to be baked with the chamber label 21; thereby, it can be known which baking chamber 11 the material to be baked is about to enter for baking.

[0068] S24: the baking chamber door is opened when the working state is empty;

[0069] S25: placing the material to be baked in the carrier drawer 3 of the baking chamber, pushing it into the baking chamber 11, and closing the chamber door 2.

[0070] S3: Use the detection sensor to detect whether there is material to be baked in the baking chamber. If so, set the baking time and start timing. If not, start the material-free alarm program;

[0071] Specifically, after the material to be baked is pushed into the baking chamber 11, the chamber door 2 is closed, and the detection sensor 12 on the inner wall of the baking chamber 11 is used to detect whether there is material to be baked in the carrier drawer 3 through the detection hole 33 of the carrier drawer 3, and step S31 and step S32 are executed respectively according to whether there is material to be baked in the carrier drawer 3.

[0072] S31: If there are materials to be baked, the system starts to set the baking time (for example, 10 hours) and starts timing to ensure that each material to be baked can be timed independently, thereby ensuring that each material to be baked can be baked for a sufficient length of time.

[0073] S32: If there is no material to be baked, the material-free alarm procedure is started, wherein the material-free alarm procedure includes steps S321 to S323:

[0074] S321: When the detection sensor detects that there is no material in the baking chamber 11, the chamber label 21 installed on the chamber door 2 displays an abnormality to provide a no-material alarm prompt, such as a sound prompt, an indicator light prompt, etc.;

[0075] S322: Manual on-site confirmation to eliminate alarm factors;

[0076] S323: The chamber tag 21 returns to normal.

[0077] S4: When the set time is reached, the prompt alarm program is started; wherein the prompt alarm program can prompt the operator through sound prompts, indicator light prompts, etc.

[0078] S5: Use the detection sensor 12 to detect whether there is material to be baked in the baking chamber 11. If so, the prompt alarm program is continuously started. If not, the prompt alarm program is cancelled and the next batch of materials is waited for.

[0079] Specifically, when the set time is reached, the material to be baked needs to be taken out manually. At this time, if the detection sensor 12 detects that there is still material in the baking chamber 11, it means that the operator has not taken out the baked material in time, and the prompt alarm program will be continuously started to prompt the operator to take out the material as soon as possible; when the operator takes out the material, the detection sensor 12 detects that there is no material to be baked in the baking chamber 11. At this time, the prompt alarm program is canceled and waits for the next batch of materials to be baked.

[0080] In summary, the multi-cavity error-proof automatic control baking oven and baking method provided by the embodiment of the present invention have a plurality of interconnected baking chambers 11 in the baking oven body 1, which can effectively prevent human error in taking and placing baking products. At the same time, each baking chamber 11 is provided with an independent chamber door 2, which is automatically controlled in conjunction with the electric magnetic lock 13 on one side of each chamber door 2 to ensure that the baking time of each product meets the process requirements; in addition, since the opening of a single baking chamber 11 has little effect on the temperature in the baking oven, the temperature stability in the baking oven is ensured. The label retractable mechanism 22 cooperates with the label identification system to bind the material to be baked to the baking chamber 11 to prevent confusion. The carrier drawer 3 adopts a slide roller to achieve back and forth sliding, and the overall design is more ergonomic.

[0081] The above is a detailed description of the multi-cavity error-proof automatic control oven and method for integrated circuit testing provided by the present invention. For those skilled in the art, any obvious changes made to it without departing from the essence of the present invention will constitute an infringement of the patent right of the present invention and will bear corresponding legal responsibilities.

Claims

1. A multi-cavity error-proof automatic control baking oven for integrated circuit testing, characterized in that include: The oven body has a plurality of interconnected baking cavities inside, and each baking cavity has a baking inlet on a side facing the front of the oven body; each baking cavity is provided with a detection sensor on the inner side opposite to the front of the oven body, for detecting whether there is material to be baked in the baking cavity; A plurality of chamber doors are installed on the front side of the baking oven body, and the plurality of chamber doors respectively correspond to the baking entrances of the plurality of baking chambers to block or open the baking entrances; A plurality of carrier drawers are respectively installed in the plurality of baking chambers in a drawable manner, and the carrier drawers are used to carry the materials to be baked; A chamber label is installed on the chamber door, and a label telescopic mechanism is provided on one side of the chamber label; the label telescopic mechanism comprises a telescopic cylinder, a fixed block and a shielding plate, the telescopic cylinder is fixed on one side of the chamber label, the fixed block is fixed on the power output end of the telescopic cylinder, and the shielding plate is fixed on the side of the fixed block close to the chamber door, and the power output end of the telescopic cylinder can drive the fixed block to telescopically move in a direction close to or away from the chamber label, so as to drive the shielding plate to shield or expose the chamber label; The telescopic cylinder is electrically connected to a label recognition system so as to control the telescopic movement of the telescopic cylinder through the label recognition system; and before the material to be baked is fed into the baking chamber, the chamber label is scanned for system recording so as to bind the material to be baked to the chamber label.

2. The multi-cavity error-proofing automatic control oven according to claim 1, characterized in that: The carrier drawer has a receiving cavity, and support seats are arranged at four corners of the bottom of the receiving cavity. Mutually symmetrical taking and placing grooves are opened on the side walls on both sides of the receiving cavity.

3. The multi-cavity error-proofing automatic control oven according to claim 2, characterized in that: A detection through hole is provided on one end of the carrier drawer close to the detection sensor, and a handle is provided on one end of the carrier drawer away from the detection sensor.

4. The multi-cavity error-proofing automatic control oven according to claim 1, characterized in that: Slideways are provided on the inner walls on both sides of the baking cavity, and guide wheels are provided on the outer walls on both sides of the carrier drawer, and the guide wheels are slidably matched with the slideways.

5. The multi-cavity error-proofing automatic control oven according to claim 1, characterized in that: A plurality of electric magnetic locks are also provided on the front of the oven body, and each of the electric magnetic locks is respectively arranged on one side of each of the chamber doors to lock or unlock the chamber doors.

6. A baking method based on the multi-cavity error-proofing automatic control baking oven according to any one of claims 1 to 5, characterized in that The steps include: Starting the oven body and heating the inner baking cavity of the oven body to a set temperature; Open the chamber door, put the material to be baked into the carrier drawer, push it into the baking chamber, and close the chamber door; The detection sensor is used to detect whether there is material to be baked in the baking chamber. If it is, the baking time is set and the timing is started. If it is not, the material-free alarm program is started; When the set time is reached, the prompt alarm program is started; The detection sensor is used to detect whether there is material to be baked in the baking chamber. If so, the prompt alarm program is continuously started. If not, the prompt alarm program is cancelled and the next batch of materials is waited for.

7. The baking method according to claim 6, characterized in that The process of opening the chamber door, placing the material to be baked into the carrier drawer, and pushing the material into the baking chamber specifically includes the following steps: Click the chamber door opening button on the oven body; The working status of each baking cavity is displayed by a cavity label installed on the cavity door; Scan the barcode of the chamber label to perform system recording and information comparison to bind the material to be baked with the chamber label; The working state is that the baking chamber door is opened when the chamber is empty; The material to be baked is placed in the carrier drawer of the baking cavity and pushed into the baking cavity.

8. The baking method according to claim 7, characterized in that The no-material alarm procedure comprises the following steps: When the detection sensor detects that there is no material in the baking chamber, the chamber label installed on the chamber door displays an abnormality to provide a no-material alarm prompt; Manual on-site confirmation to eliminate alarm factors; Chamber labeling returned to normal.

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