Pastry baking oven convenient for temperature control

Abstract

The utility model discloses a pastry baking oven convenient to control temperature, which belongs to the technical field of food processing equipment and comprises an oven body, an intelligent temperature field regulation and control mechanism, a low-acid-value efficient catalytic degradation mechanism, a uniform air supply mechanism, an adjustable air guide mechanism and an efficient heat energy recovery and cyclic utilization mechanism. The uniform air supply mechanism comprises a centrifugal fan fixedly installed on the back face of the oven body, the output end of the centrifugal fan is fixedly connected with a main pipeline, and a plurality of branch pipelines distributed at equal intervals are fixedly connected to one side of the main pipeline. The problems of short product shelf life, texture layering and energy waste caused by grease oxidation and rancidity, uneven heating and insufficient overall temperature control precision in the traditional process are solved, and the purposes of accurate temperature control, efficient energy saving and shelf life prolonging in the cake baking process are achieved.

Description

Technical Field

[0001] This utility model relates to the field of food processing equipment technology, and more specifically to an oven for baking pastries that allows for convenient temperature control. Background Technology

[0002] In the field of pastry baking, the oven is an extremely crucial piece of equipment. As people's living standards improve, their requirements for the quality of pastries are becoming increasingly stringent. They not only expect pastries to look appealing, but also pursue the perfect presentation of taste and flavor. This makes precise temperature control a vital part of the baking process.

[0003] Traditional ovens for baking pastries lack effective measures to ensure temperature uniformity, resulting in significant temperature differences between different areas inside the oven. This leads to inconsistent baking results for pastries on the same baking tray, large temperature fluctuations, poor temperature uniformity, high energy consumption, increased acid value in pastries, and short shelf life. This wastes both ingredients and time and effort, resulting in low temperature control accuracy and low heat utilization efficiency. To address these issues, we propose a pastry baking oven with convenient temperature control. Utility Model Content

[0004] The purpose of this invention is to solve the problems of large temperature fluctuations, poor temperature uniformity, high energy consumption, increased acid value of pastries, and short shelf life in traditional pastry baking ovens. These problems waste raw materials, time, and effort, resulting in low temperature control accuracy and low heat energy utilization. The invention provides a pastry baking oven with convenient temperature control.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An oven for baking pastries with convenient temperature control includes an oven body, an intelligent temperature field control mechanism, a low-acid-value high-efficiency catalytic degradation mechanism, a uniform air supply mechanism, an adjustable air guide mechanism, and a high-efficiency heat energy recovery and recycling mechanism. The uniform air supply mechanism includes a centrifugal fan fixedly installed on the back of the oven body. The output end of the centrifugal fan is fixedly connected to a main pipe. Several equally spaced branch pipes are fixedly connected to one side of the main pipe. The other end of the branch pipes is fixedly connected to a three-dimensional air duct. Six partitions are fixedly installed inside the oven body, dividing the interior of the oven body into six independent temperature control zones. Each zone is equipped with an independent heating element and a temperature control module, and precise temperature control is achieved through a dynamic power adjustment algorithm.

[0007] As a further description of the above technical solution, the intelligent temperature field control mechanism adopts an infrared temperature sensor array and a PID control algorithm, with the infrared temperature sensor fixedly installed on the inner wall of the oven body.

[0008] As a further description of the above technical solution, the low acid value high efficiency catalytic degradation mechanism includes a nano-scale titanium dioxide catalytic layer coated on the inner wall of the oven body and an ultraviolet lamp tube fixedly installed on the inner wall of the oven body to assist the photocatalytic reaction device. The nano-scale titanium dioxide catalytic layer has a thickness of 0.5 mm and an ultraviolet wavelength of 365 nm.

[0009] As a further description of the above technical solution, a protective shell is fixedly connected to one side of the oven body. The adjustable air guide mechanism includes a drive motor fixedly installed on one side of the protective shell and a conveyor belt installed inside the protective shell. A rotating shaft is fixedly connected to the output end of the drive motor. The rotating shafts are connected to each other through the conveyor belt. An air guide plate is fixedly connected to one end of the rotating shaft. The air guide plate is arc-shaped and its width matches the three-dimensional air duct. The air guide plate is installed at the outlet of each layer of the three-dimensional air duct.

[0010] As a further description of the above technical solution, the high-efficiency heat energy recovery and recycling mechanism includes a heat exchanger fixedly installed on the back of the oven body. An exhaust pipe is provided on the top of the oven body to discharge the hot air and water vapor generated during the baking process. The other end of the exhaust pipe is connected to the exhaust gas inlet of the heat exchanger. The fresh air inlet of the heat exchanger is connected to the fresh air channel. Fresh air enters the heat exchanger from the outside, absorbs the heat in the exhaust gas, and then enters the oven body.

[0011] As a further description of the above technical solution, a control box is provided on one side of the oven body, the temperature control module includes a microcontroller, a PID control algorithm, a communication interface, a power drive module and a display module, and the three-dimensional air duct is in the shape of a flat cuboid structure.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] In use, this invention, through the setting of an intelligent temperature field control mechanism, a low-acid-value high-efficiency catalytic degradation mechanism, a uniform air supply mechanism, an adjustable air guide mechanism, and a high-efficiency heat energy recovery and recycling mechanism, can meet the core requirements of acid value stability, heat field uniformity, and energy efficiency optimization in the industrial production of high-fat pastries. Uniform heating is beneficial to improving the efficiency and quality of pastry baking. It solves the problems of short product shelf life, texture layering, and energy waste caused by oil oxidation and rancidity, uneven heating, and insufficient overall temperature control precision in traditional processes. It achieves the goals of precise temperature control, high efficiency and energy saving, and extended shelf life in the pastry baking process, and has significant economic and social benefits. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of an oven for baking pastries that allows for convenient temperature control.

[0015] Figure 2 This is a schematic diagram of the internal structure of an oven for baking pastries with convenient temperature control.

[0016] Figure 3 This is a schematic diagram of the back structure of an oven for baking pastries with convenient temperature control.

[0017] Figure 4 This is a partial cross-sectional schematic diagram of the adjustable air guide mechanism and uniform air delivery mechanism of an oven for baking pastries with convenient temperature control.

[0018] Reference numerals in the attached drawings: 1. Oven body; 2. Control box; 3. Adjustable air guide mechanism; 31. Drive motor; 32. Rotating shaft; 33. Conveyor belt; 34. Air guide plate; 4. Heat exchanger; 5. Protective shell; 6. Uniform air delivery mechanism; 61. Centrifugal fan; 62. Main pipe; 63. Branch pipe; 64. Three-dimensional air duct; 7. Baffle; 8. Infrared temperature sensor; 9. Heating element. Detailed Implementation

[0019] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.

[0020] This utility model provides a convenient temperature-controlled oven for baking pastries. Please refer to [reference needed]. Figures 1-4 As shown, the oven body 1 includes an intelligent temperature field control mechanism, a low-acid-value high-efficiency catalytic degradation mechanism, a uniform air supply mechanism 6, an adjustable air guide mechanism 3, and a high-efficiency heat energy recovery and recycling mechanism. The intelligent temperature field control mechanism uses an array of infrared temperature sensors 8 and a PID control algorithm. The infrared temperature sensors 8 are fixedly installed on the inner wall of the oven body 1. The uniform air supply mechanism 6 includes a centrifugal fan 61 fixedly installed on the back of the oven body 1. The output end of the centrifugal fan 61 is fixedly connected to a main pipe 62. Several equally spaced branch pipes 63 are fixedly connected to one side of the main pipe 62. The other end of the branch pipes 63 is fixedly connected to a three-dimensional air duct 64. Six partitions 7 are fixedly installed inside the oven body 1. The partitions 7 divide the interior of the oven body 1 into six independent temperature control zones. Each zone is equipped with an independent heating tube 9 and a temperature control module. Precise temperature control is achieved through a dynamic power adjustment algorithm.

[0021] In this embodiment, the infrared temperature sensor 8 can be an MLX90614. The user sets the baking temperature curve and starts the oven. Multiple sets of infrared temperature sensors 8 monitor the temperature distribution inside the oven body 1 in real time, collecting temperature data from each area. The temperature data is transmitted to the temperature control module via the I2C interface. The temperature control module calculates the target power output of the heating tube 9 based on the preset temperature curve and PID control algorithm. The power output of the heating tube 9 is dynamically adjusted by a power drive module such as a MOSFET or relay to ensure temperature uniformity and accuracy. After the centrifugal fan 61 is started, the airflow enters the three-dimensional air duct 64 through the main pipe 62 and the branch pipe 63. After entering the three-dimensional air duct 64, the airflow is heated by the heating tube 9 and then flows out from the outlet of the three-dimensional air duct 64. The heating tube 9 is evenly distributed along the length of the three-dimensional air duct 64 to ensure uniform airflow temperature.

[0022] Furthermore, the low-acid-value, high-efficiency catalytic degradation mechanism includes a nano-sized titanium dioxide catalytic layer coated on the inner wall of the oven body 1 and an ultraviolet lamp fixedly installed on the inner wall of the oven body 1 to assist the photocatalytic reaction device. The nano-sized titanium dioxide catalytic layer has a thickness of 0.5 mm and an ultraviolet wavelength of 365 nm. In use, by coating the inner wall of the oven body 1 with a nano-sized titanium dioxide catalytic layer and irradiating the catalytic layer with an ultraviolet lamp, a photocatalytic reaction is activated, thereby degrading the oxidation products of oils and fats and controlling the acid value of pastries.

[0023] Furthermore, a protective shell 5 is fixedly connected to one side of the oven body 1. The adjustable air guide mechanism 3 includes a drive motor 31 fixedly installed on one side of the protective shell 5 and a conveyor belt 33 installed inside the protective shell 5. The output end of the drive motor 31 is fixedly connected to a rotating shaft 32. The rotating shafts 32 are connected to each other through the conveyor belt 33. One end of the rotating shaft 32 is fixedly connected to an air guide plate 34. The air guide plate 34 is arc-shaped and its width matches the three-dimensional air duct 64. The air guide plate 34 is installed at the outlet of each layer of the three-dimensional air duct 64. In use, after the airflow flows out from the outlet of the three-dimensional air duct 64, the drive motor 31 is started, and the drive motor 31 drives the rotating shaft 32 to rotate. Through the transmission of the conveyor belt 33, the air guide plate 34 of each layer is rotated, which facilitates automatic adjustment of the angle according to the real-time temperature distribution. Adjusting the air guide plate 34 optimizes the airflow direction and ensures uniform airflow distribution.

[0024] Furthermore, the high-efficiency heat energy recovery and recycling mechanism includes a heat exchanger 4 fixedly installed on the back of the oven body 1. An exhaust pipe is provided on the top of the oven body 1 to discharge the hot air and water vapor generated during the baking process. The other end of the exhaust pipe is connected to the exhaust gas inlet of the heat exchanger 4. The fresh air inlet of the heat exchanger 4 is connected to the fresh air channel. Fresh air enters the heat exchanger from the outside, absorbs the heat in the exhaust gas, and then enters the oven body 1. In use, the exhaust gas recovers heat energy through the heat exchanger 4 to preheat the fresh air and reduce energy consumption.

[0025] Furthermore, a control box 2 is provided on one side of the oven body 1. The temperature control module includes a microcontroller, a PID control algorithm, a communication interface, a power drive module, and a display module. The three-dimensional air duct 64 has a flat cuboid structure. In use, the microcontroller, such as the STM32F103 series, is used for data processing and control algorithm execution. The PID control algorithm is used to dynamically adjust the power output of the heating element based on the feedback data from the temperature sensor. The communication interface, such as I2C, SPI, or UART, is used to communicate with the infrared temperature sensor and other modules. The power drive module, such as MOSFET or relay, is used to control the switching of the heating element and the power output. The display module, such as an LCD or LED display, is used to display the real-time temperature and operating status.

[0026] The working principle of this utility model is as follows: When in use, the user sets the baking temperature curve and starts the oven. Multiple sets of infrared temperature sensors 8 monitor the temperature distribution inside the oven body 1 in real time, collect temperature data of each area, and transmit the temperature data to the temperature control module through the I2C interface. The temperature control module calculates the target power output of the heating tube 9 according to the preset temperature curve and PID control algorithm. The power output of the heating tube 9 is dynamically adjusted by the power drive module such as MOSFET or relay to ensure temperature uniformity and accuracy. By coating a nano-level titanium dioxide catalytic layer on the inner wall of the oven body 1, and irradiating the catalytic layer with ultraviolet lamps, a photocatalytic reaction is triggered, thereby degrading oil oxidation products and controlling the acid value of pastries.

[0027] After the centrifugal fan 61 is started, the airflow enters the three-dimensional air duct 64 through the main pipe 62 and the branch pipe 63. After entering the three-dimensional air duct 64, the airflow is heated by the heating tube 9 and then flows out from the outlet of the three-dimensional air duct 64. The heating tube 9 is evenly distributed along the length of the three-dimensional air duct 64 to ensure uniform airflow temperature. After the airflow flows out from the outlet of the three-dimensional air duct 64, the drive motor 31 is started, which drives the rotating shaft 32 to rotate. Through the transmission of the conveyor belt 33, the air guide plate 34 of each layer rotates, which facilitates automatic adjustment of the angle according to the real-time temperature distribution. Adjusting the air guide plate 34 optimizes the airflow direction and ensures uniform airflow distribution. The exhaust gas recovers heat energy through the heat exchanger 4 to preheat the fresh air and reduce energy consumption. Finally, the oven body 1 completes baking according to the preset temperature curve, and the user takes out the pastry.

[0028] The present invention has been described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvement made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, shall be within the protection scope of the present invention.

Claims

1. A convenient temperature-controlled oven for baking pastries, comprising an oven body (1), characterized in that: It also includes an intelligent temperature field control mechanism, a low acid value high efficiency catalytic degradation mechanism, a uniform air supply mechanism (6), an adjustable air guide mechanism (3), and a high efficiency heat energy recovery and recycling mechanism. The uniform air supply mechanism (6) includes a centrifugal fan (61) fixedly installed on the back of the oven body (1). The output end of the centrifugal fan (61) is fixedly connected to a main pipe (62). A number of equally spaced branch pipes (63) are fixedly connected to one side of the main pipe (62). The other end of the branch pipes (63) is fixedly connected to a three-dimensional air duct (64). Six partitions (7) are fixedly installed inside the oven body (1). The partitions (7) divide the inside of the oven body (1) into six independent temperature control zones. Each zone is equipped with an independent heating tube (9) and a temperature control module. The temperature is precisely controlled through a dynamic power adjustment algorithm.

2. The oven for baking pastries with convenient temperature control according to claim 1, characterized in that: The intelligent temperature field control mechanism adopts an array of infrared temperature sensors (8) and a PID control algorithm. The infrared temperature sensors (8) are fixedly installed on the inner wall of the oven body (1).

3. The oven for baking pastries with convenient temperature control according to claim 1, characterized in that: The low-acid-value high-efficiency catalytic degradation mechanism includes a nano-level titanium dioxide catalytic layer coated on the inner wall of the oven body (1) and an ultraviolet lamp tube fixedly installed on the inner wall of the oven body (1) to assist the photocatalytic reaction device. The thickness of the nano-level titanium dioxide catalytic layer is 0.5 mm and the ultraviolet wavelength is 365 nm.

4. The oven for baking pastries with convenient temperature control according to claim 1, characterized in that: A protective shell (5) is fixedly connected to one side of the oven body (1). The adjustable air guide mechanism (3) includes a drive motor (31) fixedly installed on one side of the protective shell (5) and a conveyor belt (33) installed inside the protective shell (5). A rotating shaft (32) is fixedly connected to the output end of the drive motor (31). The rotating shafts (32) are connected to each other by the conveyor belt (33). A guide plate (34) is fixedly connected to one end of the rotating shaft (32). The guide plate (34) is arc-shaped and its width matches the three-dimensional air duct (64). The guide plate (34) is installed at the outlet of each layer of the three-dimensional air duct (64).

5. The oven for baking pastries with convenient temperature control according to claim 1, characterized in that: The high-efficiency heat recovery and recycling mechanism includes a heat exchanger (4) fixedly installed on the back of the oven body (1). The top of the oven body (1) is provided with an exhaust pipe for discharging the hot air and water vapor generated during the baking process. The other end of the exhaust pipe is connected to the exhaust gas inlet of the heat exchanger (4). The fresh air inlet of the heat exchanger (4) is connected to the fresh air channel. Fresh air enters the heat exchanger from the outside, absorbs the heat in the exhaust gas, and then enters the oven body (1).

6. The oven for baking pastries with convenient temperature control according to claim 1, characterized in that: A control box (2) is provided on one side of the oven body (1). The temperature control module includes a microcontroller, a PID control algorithm, a communication interface, a power drive module and a display module. The three-dimensional air duct (64) is a flat cuboid structure.

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