Constant-temperature fermentation device for leavened steamed buns
By designing the fermentation box components and humidity control components, the problem of uneven humidity supply during the steamed bun fermentation process was solved, achieving uniform and efficient fermentation, and improving the taste and quality of the steamed buns.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGSHA JINGZHI FOOD CO LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-05-01
AI Technical Summary
During the fermentation process of steamed buns, as their volume increases, the amount of moisture they absorb also increases accordingly. If the moisture supply cannot meet the demand, the surface of the steamed bun will absorb more moisture, while the inside will remain relatively dry due to insufficient moisture supply, resulting in uneven fermentation and affecting the taste and quality.
A constant-temperature fermentation device for steamed buns was designed, including a fermentation box assembly, a fermentation generator assembly, and a humidity regulating assembly. By controlling the amount of humidity entering, the humidity supply is reduced in the early stage to prevent the surface from becoming too wet, and the humidity supply is automatically increased in the later stage according to the increase in volume to ensure uniform fermentation. The device uses components such as a steam generator, silicone tube, solenoid valve, and air bladder ring to achieve precise control.
By precisely controlling the moisture supply, the surface is prevented from becoming too wet and the inside from becoming too dry, ensuring uniform fermentation, improving the overall taste and quality of the steamed buns, and significantly increasing fermentation efficiency and product quality.
Smart Images

Figure CN224179035U_ABST
Abstract
Description
A constant temperature fermentation device for steamed buns Technical Field
[0001] This utility model relates to the field of fermentation equipment technology, specifically a constant temperature fermentation device for steamed buns. Background Technology
[0002] The constant temperature fermentation device for steamed buns is a special equipment for making old-fashioned steamed buns. It provides stable fermentation conditions for the old-fashioned dough by precisely controlling the temperature and humidity of the fermentation environment, ensuring that microorganisms such as yeast and lactic acid bacteria can ferment fully, so that the old-fashioned steamed buns can maintain the traditional flavor, while improving fermentation efficiency and product quality.
[0003] Steamed buns need moisture during fermentation because moisture keeps the surface of the dough moist, preventing excessive evaporation that could cause the dough to dry out and crack. At the same time, it provides a suitable moisture environment for the growth and metabolism of microorganisms such as yeast, promoting their activity and allowing the dough to ferment fully. This ensures the soft texture and good quality of the steamed buns. Excessive moisture in the early stages will cause the surface of the steamed buns to absorb too much water, resulting in an overly moist surface and even the formation of a skin. This skin will affect the appearance of the steamed buns, making the surface rough and even causing cracks.
[0004] During the fermentation process of steamed buns, as the volume increases, the amount of moisture absorbed also increases accordingly. However, if the moisture supply cannot meet the demand, the surface of the steamed bun will absorb more moisture, while the inside will remain relatively dry due to insufficient moisture supply. This difference in humidity between the surface and the inside will lead to uneven fermentation. Specifically, the dough on the surface may over-ferment due to excessive moisture, while the dough inside is prone to under-fermentation due to insufficient moisture, thus affecting the overall taste and quality of the steamed buns. Therefore, a constant temperature fermentation device for steamed buns is proposed to address the above problems. Summary of the Invention
[0005] The purpose of this invention is to provide a constant temperature fermentation device for steamed buns, in order to solve the problem that during the fermentation process of steamed buns, as the volume increases, the amount of moisture absorbed will also increase accordingly. If the moisture supply cannot meet the demand, the surface of the steamed bun will absorb more moisture, while the inside will remain relatively dry due to insufficient moisture supply. This difference in humidity between the surface and the inside will lead to uneven fermentation.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A constant-temperature fermentation device for steamed buns includes a fermentation box assembly. Fermentation generating components and protective shells are fixedly connected to both sides of the fermentation box assembly. A humidity regulating component is fixedly connected to the inner side of the protective shell. The fermentation generating component includes a steam generator, with a flow pipe fixedly connected to its top. A silicone tube is fixedly connected to the outer side of the flow pipe, and a pressure relief port is provided at the upper end of the flow pipe. The humidity regulating component includes a distribution shell, with an air passage provided inside. An extension pipe is fixedly connected to the front end of the distribution shell, and an air bladder ring is fixedly connected to the front end of the extension pipe. A hollow tube is fixedly connected to the rear end of the distribution shell, with a solenoid valve fixedly connected to the inner side of the hollow tube, and a suction pump fixedly connected to the rear end of the hollow tube.
[0008] As a further optimization of this utility model, the fermentation box assembly includes a fermentation box body, an air outlet shell is fixedly connected to the inner side of the fermentation box body, an air vent is opened on the inner side of the fermentation box body, a support is fixed to the inner side of the fermentation box body, and a tray is placed on the upper end of the support on the inner side of the fermentation box body.
[0009] As a further optimization of this utility model, the inner side of the air outlet shell is hollow, an air inlet is provided at the end of the air outlet shell near the fermentation tank body, and multiple air outlets are provided at the end of the air outlet shell away from the fermentation tank body. The air outlet shell is located at the upper end of the tray.
[0010] As a further optimization of this utility model, the air inlet is connected to the air inlet of the air outlet shell, the outer side of the fermentation tank body is fixedly connected to one side of the silicone tube, and the air inlet is connected to the inner side of the silicone tube.
[0011] As a further optimization of this utility model, the fermentation tank body is fixedly connected to protective shells on both the left and right sides, the upper end of the protective shell has an upper opening, and the fermentation generating component and the humidity regulating component are installed inside the protective shell.
[0012] As a further optimization of this utility model, the lower end of the flow pipe is a through structure, the flow pipe is connected to the outlet of the steam generator, the inner side of the flow pipe is connected to the inner side of the silicone tube, the pressure relief port passes through the upper end of the flow pipe, and the pressure relief port is connected to the inner side of the flow pipe.
[0013] As a further optimization of this utility model, the following features are provided: a through hole is provided on the inner side of the flow divider shell near the hollow tube; the inner side of the hollow tube is connected to the airway through the through hole of the flow divider shell; a through hole is provided on the inner side of the flow divider shell near the extension tube; the airway, the inner side of the extension tube, and the inner side of the airway are connected; and the airbag ring is fitted on the outer side of the silicone tube.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] In this invention, the device, through the setting of a fermentation box component, a fermentation generating component, and a moisture regulating component, controls the amount of moisture entering. In the early stage, the moisture supply is reduced to prevent the surface of the steamed buns from becoming too wet and forming a skin, which would affect the appearance and taste. In the later stage, the moisture supply is automatically increased according to the increase in the volume of the steamed buns to ensure uniform fermentation, improve the overall taste and quality of the steamed buns, achieve precise fermentation control, and significantly improve fermentation efficiency and product quality. Attached Figure Description
[0016] Figure 1 is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 is a cross-sectional structural diagram of the fermentation box assembly of this utility model;
[0018] Figure 3 is a schematic diagram of the tray structure of this utility model;
[0019] Figure 4 is a schematic diagram of the air outlet shell structure of this utility model;
[0020] Figure 5 is a cross-sectional structural diagram of the flow channel of this utility model;
[0021] Figure 6 is a cross-sectional structural diagram of the silicone tube of this utility model;
[0022] Figure 7 is a cross-sectional structural diagram of the humidity regulating component of this utility model;
[0023] Figure 8 is a schematic diagram of the structure at point A in Figure 7 of this utility model.
[0024] In the diagram: 1. Fermentation chamber assembly; 11. Fermentation chamber body; 12. Gas outlet shell; 13. Gas vent.
[0025] 2. Fermentation generating components; 21. Steam generator; 22. Flow pipe; 23. Silicone cartridge; 24. Pressure relief port;
[0026] 3. Humidity regulating component; 31. Diverter shell; 32. Airway; 33. Extension tube; 34. Airbag ring; 35. Suction pump; 36. Hollow tube; 37. Solenoid valve;
[0027] 4. Protective shell; 5. Top opening; 6. Tray. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0030] Please refer to Figures 1-8. This utility model provides a technical solution:
[0031] A constant-temperature fermentation device for steamed buns includes a fermentation box assembly 1. Fermentation generating components 2 and a protective shell 4 are fixedly connected to both sides of the fermentation box assembly 1. A humidity regulating component 3 is fixedly connected to the inner side of the protective shell 4. The fermentation generating component 2 includes a steam generator 21. A flow pipe 22 is fixedly connected to the top of the steam generator 21, and a silicone tube 23 is fixedly connected to the outer side of the flow pipe 22. A pressure relief port 24 is provided at the upper end of the flow pipe 22. The humidity regulating component 3 includes a diversion shell 31. An air passage 32 is provided inside the diversion shell 31. An extension pipe 33 is fixedly connected to the front end of the diversion shell 31, and an air bladder ring 34 is fixedly connected to the front end of the extension pipe 33. A hollow tube 36 is fixedly connected to the rear end of the diversion shell 31, and a solenoid valve 37 is fixedly connected to the inner side of the hollow tube 36. A suction-operated air pump 35 is fixedly connected to the rear end of the hollow tube 36.
[0032] As a further implementation of this solution, the fermentation box assembly 1 includes a fermentation box body 11, an air outlet shell 12 fixedly connected to the inside of the fermentation box body 11, an air vent 13 opened on the inside of the fermentation box body 11, a support fixedly connected to the inside of the fermentation box body 11, and a tray 6 placed on the upper end of the support on the inside of the fermentation box body 11. Through the above arrangement, the air outlet shell 12 fixedly connected to the inside of the fermentation box body 11 and the opened air vent 13 provide a channel for the circulation of moisture, ensuring that the moisture can be evenly distributed in the fermentation space.
[0033] As a further implementation of this solution, the inner side of the air vent shell 12 is hollow. An air inlet is provided at one end of the air vent shell 12 near the fermentation box body 11, and multiple air outlets are provided at the other end of the air vent shell 12 away from the fermentation box body 11. The air vent shell 12 is located at the top of the tray 6. Through the above arrangement, the hollow structure of 2 and the design of the air inlet and air outlets allow moisture to enter through the air inlet and be evenly distributed inside the air vent shell 12, and then evenly sprayed onto the top of the fermented steamed buns placed on the tray 6 through the multiple air outlets.
[0034] As a further implementation of this solution, the air inlet 13 is connected to the air inlet of the air outlet shell 12, the outer side of the fermentation tank body 11 is fixedly connected to one side of the silicone tube 23, and the air inlet 13 is connected to the inner side of the silicone tube 23. Through the above settings, the air inlet 13 is connected to the air inlet of the air outlet shell 12, ensuring that moisture can smoothly enter the device from the outside and be distributed through the air outlet shell 12. The fixed connection between the outer side of the fermentation tank body 11 and one side of the silicone tube 23 and the connection between the air inlet 13 and the inner side of the silicone tube 23 enable the moisture to be further regulated and controlled through the silicone tube 23, providing a structural basis for the precise supply of moisture and improving the controllability of the fermentation process.
[0035] As a further implementation of this solution, protective shells 4 are fixedly connected to both sides of the fermentation tank body 11. An upper opening 5 is provided at the upper end of the protective shell 4. The fermentation generating component 2 and the humidity regulating component 3 are installed inside the protective shell 4. Through the above arrangement, the protective shell 4 plays the role of protecting the fermentation generating component 2 and the humidity regulating component 3. The upper opening 5 can discharge the gas inside the protective shell 4.
[0036] As a further implementation of this solution, the lower end of the flow pipe 22 is a through structure, and the flow pipe 22 is connected to the outlet of the steam generator 21. The inner side of the flow pipe 22 is connected to the inner side of the silicone cylinder 23. The pressure relief port 24 penetrates the upper end of the flow pipe 22 and is connected to the inner side of the flow pipe 22. Through the above settings, steam can smoothly enter the flow pipe 22 from the steam generator 21, and further enter the device through the connection between the inner side of the flow pipe 22 and the inner side of the silicone cylinder 23. The pressure relief port 24 penetrates the upper end of the flow pipe 22 and is connected to its inner side, which plays a role in relieving pressure and preventing excessive internal pressure, thereby ensuring the safe operation of the equipment and ensuring the stability of the moisture supply.
[0037] As a further implementation of this solution, the inner side of the diversion shell 31 near the hollow tube 36 has a through hole, and the inner side of the hollow tube 36 is connected to the air passage 32 through the through hole of the diversion shell 31. The inner side of the diversion shell 31 near the extension tube 33 has a through hole, and the inner side of the air passage 32, the extension tube 33 and the air passage 32 are connected. The air bladder ring 34 is sleeved on the outer side of the silicone tube 23. Through the above arrangement, the gas can flow smoothly between the components, and the precise control of the moisture supply is achieved. The air bladder ring 34 is sleeved on the outer side of the silicone tube 23. By changing the volume of the air bladder ring 34, the deformation of the silicone tube 23 is adjusted, thereby controlling the flow of moisture. This design can automatically adjust the moisture supply according to different stages of steamed bun fermentation, ensuring the uniformity and efficiency of the fermentation process.
[0038] Workflow: During the fermentation of steamed buns inside fermentation chamber component 1, the amount of moisture required is relatively small in the early stages of fermentation. Therefore, it is necessary to control the amount of moisture entering the fermentation chamber body 11. At this time, the solenoid valve 37 is activated, opening and starting the integrated suction air pump 35 to inflate the air passage 32 through the hollow tube 36. The gas enters the air bladder ring 34 through the air passage 32 and the extension tube 33, causing the air bladder ring 34 to expand. This expansion compresses the silicone cylinder 23, which is made of silicone. Therefore, the silicone cylinder 23 deforms, and its diameter near the air bladder ring 34 narrows. Close the solenoid valve 37 to prevent gas from flowing out, start the steam generator 21 to generate steam, the steam will flow upward, the steam enters the air inlet 13 through the inside of the flow pipe 22 and the inside of the silicone tube 23. After the shape of the silicone tube 23 changes, the pressure inside the flow pipe 22 will increase. The excess pressure will flow out through the pressure relief port 24, which will relieve the pressure inside the flow pipe 22. Then it will enter the air outlet shell 12 through the air inlet 13 and flow out through the multiple air outlet holes of the air outlet shell 12, thereby realizing the fermentation of the steamed buns on the tray 6. At the same time, the amount of moisture entering the fermentation box body 11 in the early stage is controlled to prevent the surface of the steamed buns from being too wet and causing a cleanliness problem.
[0039] As the steamed buns ferment for a certain period of time, their volume gradually increases. Due to this increase in volume, the required amount of moisture also increases. Activating the solenoid valve 37 uses the integrated suction pump 35 to draw air from the air passage 32. This suction causes the gas inside the air bladder ring 34 to escape, restoring it to its initial shape. This prevents the air bladder ring 34 from inflating, reducing its pressure on the silicone tube 23. Consequently, the amount of moisture flowing through the silicone tube 23 increases, leading to a greater amount of moisture entering the fermentation chamber 11. This ensures a sufficient moisture supply, significantly reducing the risk of insufficient moisture during fermentation and improving the overall taste of the steamed buns.
[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A constant-temperature fermentation device for steamed buns, comprising a fermentation box assembly (1), characterized in that: The fermentation chamber assembly (1) is fixedly connected to the fermentation generating assembly (2) and the protective shell (4) on both the left and right sides. The protective shell (4) is fixedly connected to the inner side of the humidity regulating assembly (3). The fermentation generating assembly (2) includes a steam generator (21). The top of the steam generator (21) is fixedly connected to a flow pipe (22). The outer side of the flow pipe (22) is fixedly connected to a silicone tube (23). The upper end of the flow pipe (22) is provided with a pressure relief port (24). The humidity regulating assembly (3) includes a diversion shell (31). The inner side of the diversion shell (31) is provided with an air passage (32). The front end of the diversion shell (31) is fixedly connected to an extension tube (33). The front end of the extension tube (33) is fixedly connected to an airbag ring (34). The rear end of the diversion shell (31) is fixedly connected to a hollow tube (36). The inner side of the hollow tube (36) is fixedly connected to a solenoid valve (37). The rear end of the hollow tube (36) is fixedly connected to a suction and extraction integrated air pump (35).
2. The constant temperature fermentation device for steamed buns according to claim 1, characterized in that: The fermentation box assembly (1) includes a fermentation box body (11), an air outlet shell (12) is fixedly connected to the inside of the fermentation box body (11), an air vent (13) is opened on the inside of the fermentation box body (11), a support is fixed on the inside of the fermentation box body (11), and a tray (6) is placed on the upper end of the support on the inside of the fermentation box body (11).
3. The constant temperature fermentation device for steamed buns according to claim 2, characterized in that: The inner side of the air vent shell (12) is hollow. An air inlet is provided at one end of the air vent shell (12) near the fermentation box body (11), and multiple air outlets are provided at the other end of the air vent shell (12) away from the fermentation box body (11). The air vent shell (12) is located at the upper end of the tray (6).
4. The constant temperature fermentation device for steamed buns according to claim 2, characterized in that: The air inlet (13) is connected to the air inlet of the air outlet shell (12), the outer side of the fermentation box body (11) is fixedly connected to one side of the silicone tube (23), and the air inlet (13) is connected to the inner side of the silicone tube (23).
5. The constant temperature fermentation device for steamed buns according to claim 2, characterized in that: The fermentation chamber body (11) is fixedly connected to protective shells (4) on both the left and right sides. The upper end of the protective shell (4) is provided with an upper opening (5). The fermentation generating component (2) and the humidity regulating component (3) are installed inside the protective shell (4).
6. The constant temperature fermentation device for steamed buns according to claim 1, characterized in that: The lower end of the flow pipe (22) is a through structure. The flow pipe (22) is connected to the outlet of the steam generator (21). The inner side of the flow pipe (22) is connected to the inner side of the silicone tube (23). The pressure relief port (24) penetrates the upper end of the flow pipe (22) and is connected to the inner side of the flow pipe (22).
7. The constant temperature fermentation device for steamed buns according to claim 1, characterized in that: The flow divider shell (31) has a through hole on the inner side near the hollow tube (36). The inner side of the hollow tube (36) is connected to the airway (32) through the through hole of the flow divider shell (31). The flow divider shell (31) has a through hole on the inner side near the extension tube (33). The airway (32), the inner side of the extension tube (33) and the inner side of the airway (32) are connected. The airbag ring (34) is sleeved on the outer side of the silicone tube (23).