Gas steaming and baking device and integrated cooker

Abstract

The invention discloses a fuel gas steaming and baking device and an integrated stove, the fuel gas steaming and baking device comprises a combustion chamber and a heat exchange chamber, a combustor is arranged in the combustion chamber, and the combustor is configured to utilize fuel gas combustion for heating and form heating flue gas; the heat exchange chamber is provided with a first inlet and a first outlet, the first inlet is communicated with the combustion chamber, the first outlet is suitable for discharging heating flue gas, the heat exchange part is provided with a second inlet and a second outlet, cooking water is suitable for entering the heat exchange part from the second inlet, and steam generated after heat exchange between the heat exchange part and the heating flue gas is suitable for being discharged from the second outlet. Therefore, heat energy generated by combustion of fuel gas is supplied to baking cooking and steaming cooking for use in the form of heating flue gas and steam, the problem that the heating efficiency of a large-volume steaming and baking cooking cavity is limited by electric power can be solved, the cooking efficiency and effect are improved, and by optimizing the structural size of the fuel gas steaming and baking device, the energy consumption is reduced. The gas steaming and baking device can meet the working performance and arrangement requirements.

Description

Technical Field

[0001] This application relates to the field of kitchen appliance technology, and in particular to a gas-fired steam oven and an integrated stove. Background Technology

[0002] Currently, mainstream integrated cooktops on the market mainly integrate a gas stove, range hood, and steam oven, with the steam oven typically featuring a large capacity of approximately 60L, aiming to enhance cooking versatility and efficiency. However, because the overall power of the unit is generally limited to within 3kW, especially the steam generator which is usually no more than 2kW, this causes significant heating efficiency issues for large-capacity steam ovens. Insufficient steam generator power slows down the steaming process, affecting the taste and cooking experience. Similarly, in baking mode, the large-capacity cavity is also limited by power, making it difficult to achieve ideal cooking time and results. Furthermore, some integrated cooktops design the steam oven and oven separately. Under the power constraints of the entire unit, they must meet the power requirements of the steam oven, oven, and range hood, further reducing the power of each component and exacerbating the slow cooking speed and poor user experience. In conclusion, the performance of integrated cooktops in steaming and baking functions is severely limited by power, resulting in low cooking efficiency and a poor user experience. Summary of the Invention

[0003] This application aims to address at least one of the technical problems existing in the prior art. To this end, one objective of this application is to propose a gas-fired steam oven that uses the heat energy generated by gas combustion to heat flue gas and steam for baking and steaming cooking, respectively. This solves the problem that the heating efficiency of large-capacity steam ovens is limited by electrical power, thereby improving cooking efficiency and results. Furthermore, by optimizing the structural dimensions of the gas-fired steam oven, both performance and layout requirements can be met.

[0004] This application also proposes an integrated stove having the above-mentioned gas-fired steam oven.

[0005] According to a first aspect embodiment of the gas-fired steam oven, the gas-fired steam oven includes: a combustion chamber and a heat exchange chamber. A burner is disposed in the combustion chamber, configured to heat gas by combustion and generate heated flue gas. The heat exchange chamber is disposed on one side of the combustion chamber, and a heat exchange element is disposed within the heat exchange chamber. The heat exchange chamber has a first inlet and a first outlet. The first inlet communicates with the combustion chamber, and the first outlet is adapted to discharge the heated flue gas. The heated flue gas exchanges heat with the heat exchange element within the heat exchange chamber. The heat exchange element has a second inlet and a second outlet. Cooking water is adapted to enter the heat exchange element through the second inlet, and steam generated after the heat exchange element exchanges heat with the heated flue gas is adapted to be discharged through the second outlet. The gas-fired steam oven has a height dimension A, a width dimension B, and a thickness dimension C, satisfying: A≤200mm, B≤280mm, C≤50mm.

[0006] According to the gas-fired steam oven of this application, the heat energy of the heating flue gas generated by the burner can be supplied to baking and steaming cooking in the form of heating flue gas discharged from the first outlet and steam discharged from the second outlet, respectively. This solves the problem that the heating efficiency of large-capacity steam oven cooking chambers is limited by electrical power, effectively improving the efficiency and cooking effect of baking and steaming cooking, accelerating cooking time, improving food quality, and optimizing the user experience. Furthermore, this application optimizes the structural dimensions of the gas-fired steam oven, improving its compactness while meeting the requirements of its own gas module and heat exchange module, ensuring a good capacity for the steam oven cooking chamber. This allows for a balance between the rational installation and arrangement of components and the cooking speed, effect, and quantity of food.

[0007] According to some embodiments of this application, the gas-fired steam oven further includes a mixing chamber, which is disposed on the other side of the combustion chamber and communicates with the combustion chamber, and the mixing chamber is adapted to provide a mixture of gas and air to the combustion chamber.

[0008] Furthermore, the mixing chamber is provided with a mixing chamber, an air passage, and a gas passage. One end of the air passage and one end of the gas passage are both connected to the inlet of the mixing chamber. The other end of the air passage is connected to the outside, and the other end of the gas passage is connected to a gas supply device. Air and gas are mixed in the mixing chamber, and the outlet of the mixing chamber is connected to the combustion chamber.

[0009] Furthermore, the air passage is located on one side of the mixing chamber, and the gas passage is located on the opposite side of the mixing chamber.

[0010] According to some embodiments of this application, the gas-fired steam oven further includes: a first fan disposed in the air passage and adapted to turbulently flow toward the mixing chamber to accelerate the mixing speed of the gas and the air.

[0011] In some embodiments, the heat exchange chamber includes a first heat exchange chamber and a second heat exchange chamber, the first heat exchange chamber being in communication with the combustion chamber, the second heat exchange chamber being disposed on the side of the first heat exchange chamber away from the combustion chamber and in communication with the first heat exchange chamber, and the heat exchange element being disposed in the second heat exchange chamber.

[0012] Furthermore, both the first outlet and the second outlet are located in the second heat exchange chamber, and the second outlet and the second inlet are located on the same side or opposite sides of the second heat exchange chamber in the width direction.

[0013] In other embodiments, the heat exchange chamber includes a first heat exchange chamber and a second heat exchange chamber, both of which are connected to the combustion chamber, and the heat exchange element is disposed in the first heat exchange chamber.

[0014] Furthermore, the first outlet has a first sub-outlet and a second sub-outlet, the first sub-outlet and the second outlet are disposed in the first heat exchange chamber, and the second sub-outlet is disposed in the second heat exchange chamber.

[0015] According to some embodiments of this application, the burner is configured as a first burner and a second burner spaced apart in the width direction of the combustion chamber. The combustion chamber is provided with a partition and divided into a first heating chamber and a second heating chamber. The first burner is disposed in the first heating chamber, the second burner is disposed in the second heating chamber, and the first heating chamber is in communication with the first heat exchange chamber, and the second heating chamber is in communication with the second heat exchange chamber.

[0016] According to some embodiments of this application, a wind-cooling component is provided on the second heat exchange chamber, the wind-cooling component being adapted to cool the heated flue gas inside the second heat exchange chamber.

[0017] According to a second aspect embodiment of the integrated stove, the integrated stove includes: a main body, a steam oven, an oven, and a gas-fired steam oven device. A receiving cavity is formed in the main body; the steam oven and the oven are disposed in the receiving cavity; the gas-fired steam oven device is constructed as any one of the gas-fired steam oven devices described in the above embodiments, and the gas-fired steam oven device is disposed on any one side of the main body, either on the back side, the bottom side, or in the width direction; wherein the first outlet of the gas-fired steam oven device is connected to the oven, and the second outlet of the gas-fired steam oven device is connected to the steam oven.

[0018] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0019] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0020] Figure 1 This is an isometric view of a gas-fired steam oven according to an embodiment of the first aspect of this application;

[0021] Figure 2 This is a front view of a gas-fired steam oven according to an embodiment of the first aspect of this application;

[0022] Figure 3 This is a side view of a gas-fired steam oven according to an embodiment of the first aspect of this application;

[0023] Figure 4 This is a partial structural assembly diagram of a gas-fired steam oven according to an embodiment of the second aspect of this application.

[0024] Figure label:

[0025] 1000. Gas-fired steam oven;

[0026] 1. Combustion chamber; 1a. First heating chamber; 1b. Second heating chamber;

[0027] 2. Heat exchange chamber; 2a. First outlet;

[0028] 21. First heat exchange chamber; 21a. First sub-outlet;

[0029] 22. Second heat exchange chamber; 22b. Second sub-outlet;

[0030] 3. Heat exchanger components; 3a. Second inlet; 3b. Second outlet;

[0031] 4. Mixing chamber; 41. Mixing cavity; 42. Air passage; 43. Gas passage;

[0032] 5. First fan;

[0033] 6. Air-cooled components;

[0034] 7. Ignition components;

[0035] 8. Cooling passages;

[0036] 9. Cooling fan;

[0037] 10a, First burner; 10b, Second burner. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0039] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used in the description of this application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the description, claims, and accompanying drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the description, claims, or accompanying drawings of this application are used to distinguish different objects, not to describe a specific order or hierarchy.

[0040] In this application, the reference to "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments.

[0041] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "attachment" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0042] In this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, in this application, the character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0043] In the embodiments of this application, the same reference numerals denote the same components, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, width, and other dimensions of various components in the embodiments of this application shown in the accompanying drawings, as well as the overall thickness, length, width, and other dimensions of the integrated device, are merely illustrative and should not constitute any limitation on this application.

[0044] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0045] In the description of this application, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or the first and second features being in contact through another feature between them.

[0046] In the description of this application, the terms "above," "over," and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicate that the first feature is at a higher horizontal level than the second feature.

[0047] In this application, "multiple" means two or more (including two).

[0048] The following is for reference. Figures 1-4 This application describes a gas-fired steam oven 1000 and an integrated stove according to embodiments thereof.

[0049] like Figure 1 As shown, the gas-fired steam oven 1000 according to the first aspect embodiment of this application includes a combustion chamber 1 and a heat exchange chamber 2.

[0050] The combustion chamber 1 is equipped with a burner configured to use gas combustion for heating and to generate heated flue gas. A heat exchange chamber 2 is located on one side of the combustion chamber 1 and contains a heat exchange element 3. The heat exchange chamber 2 has a first inlet and a first outlet 2a. The first inlet is connected to the combustion chamber 1, and the first outlet 2a is suitable for discharging the heated flue gas. The heated flue gas exchanges heat with the heat exchange element 3 within the heat exchange chamber 2. The heat exchange element 3 has a second inlet 3a and a second outlet 3b. Cooking water is suitable for entering the heat exchange element 3 through the second inlet 3a, and the steam generated after the heat exchange element 3 exchanges heat with the heated flue gas is suitable for discharging through the second outlet 3b. The gas-fired steam oven 1000 has a height dimension of A, a width dimension of B, and a thickness dimension of C, satisfying the following conditions: A≤200mm, B≤280mm, C≤50mm.

[0051] Specifically, there can be one or more burners. The burners can ignite the gas through the ignition element 7 to burn the gas. During the combustion process, high-temperature heated flue gas can be formed. The heat exchange chamber 2 is located adjacent to the combustion chamber 1, and the first inlet of the heat exchange chamber 2 is connected to the combustion chamber 1. The heated flue gas can flow from the combustion chamber 1 into the heat exchange chamber 2 through the first inlet, and at least part of the heated flue gas can flow out from the first outlet 2a of the heat exchange chamber 2 for baking and cooking. A heat exchange element 3 is provided in the heat exchange chamber 2. The heat exchange element 3 can exchange heat with at least another part of the heated flue gas in the heat exchange chamber 2. Specifically, the heat exchange element 3 has a second inlet 3a, which is used to introduce cooking water. The cooking water can be quickly heated by the high-temperature heated flue gas and converted into steam. The steam can be discharged from the second outlet 3b of the heat exchange element 3 into the heat exchange chamber 2 for steaming and cooking. This can be understood as follows: the burner utilizes the large amount of heat energy generated by the combustion of gas, which can be discharged through the first outlet 2a and the second outlet 3b to supply the heating flue gas and steam respectively, thereby improving the efficiency of baking and steaming.

[0052] It should be noted that the heat exchange chamber 2 is located on one side of the top of the combustion chamber 1. The first inlet can be located at the bottom of the heat exchange chamber 2, and the first outlet 2a is located above the first inlet. In this way, due to the low density of the high-temperature heated flue gas, the heated flue gas in the combustion chamber 1 can automatically flow upward and overflow into the heat exchange chamber 2 through the first inlet. At least part of the heated flue gas in the heat exchange chamber 2 can automatically flow upward and be discharged through the first outlet 2a. At least another part of the heated flue gas in the heat exchange chamber 2 can be discharged through the second outlet 3b after exchanging heat with the heat exchange element 3 to form steam. Thus, efficient heat conversion and utilization can be achieved.

[0053] Understandably, if the height, width, and thickness of the gas steam oven 1000 are too large, for example, a height of 220mm or 240mm, a width of 300mm or 320mm, and a thickness of 60mm or 70mm, the gas steam oven 1000 will occupy too much space during installation, reducing the volume of the steam oven cooking cavity and sacrificing its capacity. It will also make the installation of the gas steam oven 1000 inconvenient. If the structural dimensions of the gas steam oven 1000, especially its thickness, are too small, for example, a thickness of 40mm or 30mm, the combustion module and heat exchange module of the gas steam oven 1000 will be limited, making it difficult to ensure uniform combustion and combustion efficiency, and making it difficult to meet the normal arrangement of the heat exchange components 3. The gas-fired steam oven 1000 of this application has a height of less than 200mm, a width of less than 280mm, and a thickness of less than 50mm. This gives the gas-fired steam oven 1000 suitable structural dimensions, which can ensure that the combustion module and heat exchange module of the gas-fired steam oven 1000 can be installed and arranged normally, while improving the structural compactness. This is beneficial to the installation and arrangement of the gas-fired steam oven 1000 and ensures that the steam oven cooking cavity has good capacity.

[0054] According to the gas-fired steam oven 1000 of this application, the heat energy of the heating flue gas generated by the burner can be supplied to baking and steaming cooking in the form of heating flue gas discharged from the first outlet 2a and steam discharged from the second outlet 3b, respectively. This solves the problem that the heating efficiency of large-capacity steam oven cooking chambers is limited by electrical power, effectively improving the efficiency and cooking effect of baking and steaming cooking, accelerating cooking time, improving food quality, and optimizing the user experience. Furthermore, this application optimizes the structural dimensions of the gas-fired steam oven 1000, improving its compactness while meeting the requirements of its own gas module and heat exchange module. This ensures that the steam oven cooking chamber has a good capacity, thereby achieving a balance between the reasonable installation and arrangement of components and the cooking speed, cooking effect, and cooking volume.

[0055] Furthermore, in some specific embodiments of this application, the burner is constructed as an infrared burner. The infrared burner generates infrared radiation through the combustion of gas. It has good combustion stability and low heat loss, which can make heating more efficient, raise the temperature of the heat exchanger 3 more quickly, accelerate the vaporization process of cooking water, and improve the efficiency of heating flue gas and steam discharge.

[0056] In some other specific embodiments of this application, the heat exchanger 3 includes a heat exchanger, preferably a tube-fin heat exchanger. The tube-fin heat exchanger consists of tubes and fins. The interior of the tubes can be used for flowing hot fluids (such as heated flue gas), while the fins increase the contact area with cold fluids (such as cooking water), thereby improving heat exchange efficiency. Simultaneously, the fins can guide fluid flow, making the heat exchange process more uniform and efficient. Furthermore, the tube-fin heat exchanger has a compact structure, providing a relatively large heat exchange area within a limited space, which is beneficial for optimizing the structural dimensions of the gas-fired steam oven 1000.

[0057] like Figure 1 and Figure 3 As shown, according to some embodiments of this application, the gas-fired steam oven 1000 further includes a mixing chamber 4, which is disposed on the other side of the combustion chamber 1 and communicates with the combustion chamber 1. The mixing chamber 4 is adapted to provide a mixture of gas and air to the combustion chamber 1.

[0058] Specifically, the mixing chamber 4 is located on the other side of the combustion chamber 1 (defined by height space, the mixing chamber 4 is located on the bottom side of the combustion chamber 1). The mixing chamber 4 and the combustion chamber 1 can be connected by pipes or channels. The mixing chamber 4 can introduce external air and gas, and achieve full contact and uniform mixing of gas and air, so that gas and air are mixed into a mixed gas according to a preset mixing ratio, that is, premixing is achieved. This can improve the uniformity of the mixed gas entering the combustion chamber 1, and ensure that the mixed gas entering the combustion chamber 1 has the best combustion conditions, thereby helping to improve combustion efficiency and combustion stability, making the combustion process more efficient and controllable, which is conducive to improving the heating speed of the gas steam oven 1000 and improving cooking efficiency and effect.

[0059] It should be noted that, while meeting the mixing requirements, the volume of the mixing chamber 4 is relatively smaller than that of the combustion chamber 1 in order to ensure the mixing effect and achieve cost reduction and weight reduction. The outline shape of the mixing chamber 4 can be cylindrical, square or other geometric shapes suitable for gas mixing. The specific shape can depend on the overall layout and design requirements of the gas steam oven 1000, and is not limited here.

[0060] like Figures 1-3 As shown, according to some embodiments of this application, the mixing chamber 4 is provided with a mixing chamber 41, an air passage 42, and a gas passage 43.

[0061] One end of the air passage 42 and one end of the gas passage 43 are connected to the inlet of the mixing chamber 41. The other end of the air passage 42 is connected to the outside, and the other end of the gas passage 43 is connected to the gas supply equipment. Air and gas are mixed in the mixing chamber 41, and the outlet of the mixing chamber 41 is connected to the combustion chamber 1.

[0062] Specifically, both the air passage 42 and the gas passage 43 have a certain extension length. One end of the air passage 42 is connected to the inlet of the mixing chamber 41 in the extension direction, while the other end is open to the outside to draw in external air. Through the air passage 42, external air can be introduced into the mixing chamber 41. One end of the gas passage 43 is connected to the inlet of the mixing chamber 41 in the extension direction, while the other end is connected to the gas supply equipment (such as a gas cylinder, gas pipeline, etc.) to draw in gas. Through the gas passage 43, gas can be introduced into the mixing chamber 41. There can be one or more mixing chambers 41. The mixing chambers 41 are used to ensure that the gas and air are in full contact and mixed evenly. In this application, the specific process of the mixing chamber 4 supplying the combustion chamber 1 with a mixture of gas and air is as follows: the gas supply equipment sends gas into the mixing chamber 41 through the gas passage 43, and at the same time, external air is introduced into the mixing chamber 41 through the air passage 42. In the mixing chamber 41, the air and gas come into contact with each other and mix during the flow process. As the mixing process proceeds, the mixed gas can gradually become uniform and fill the entire mixing chamber 41. Finally, the well mixed gas can enter the combustion chamber 1 through the outlet of the mixing chamber 41 to carry out a good combustion reaction.

[0063] By setting up a mixing chamber 41, an air passage 42, and a gas passage 43, the mixing efficiency of air and gas can be improved, and a stable and uniform supply of mixed gas can be ensured in the combustion chamber 1, thereby helping to improve the combustion efficiency and cooking performance of the gas steam oven 1000.

[0064] Furthermore, in some specific embodiments of this application, the air passage 42 is equipped with a regulating valve or damper to adjust the airflow as needed, thus ensuring that the optimal air-gas mixing ratio can be obtained under different cooking conditions; the gas passage 43 is equipped with a gas nozzle or gas regulating valve to control the gas flow and pressure, thus ensuring that the gas can be stably and evenly injected into the mixing chamber 41 and fully mixed with the air.

[0065] like Figure 2 As shown, according to some embodiments of this application, the air passage 42 is located on one side of the mixing chamber 41, and the gas passage 43 is located on the opposite side of the mixing chamber 41.

[0066] Specifically, the air passage 42 and the gas passage 43 are arranged on one side and the opposite side of the mixing chamber 41, respectively. Here, "one side" and "opposite side" refer to the fact that in a certain direction, at least a portion of the mixing chamber 41 is spaced apart from at least another portion and is opposite to it. The sides of the opposite portions that are away from each other are respectively one side and the opposite side of the mixing chamber 41. This opposing arrangement of the air passage 42 and the gas passage 43 allows air and gas to create a counter-current effect when entering the mixing chamber 41, and provides a relatively large contact area, thereby enhancing the uniformity and efficiency of air-gas mixing, and improving combustion stability and efficiency.

[0067] Preferably, the air passage 42 and the gas passage 43 are oriented in the same direction as the width of the gas steam oven 1000. The mixing chamber 41 typically occupies a relatively small width space. The air passage 42 and the gas passage 43 can be respectively arranged on both sides of the mixing chamber 41 in the width direction of the gas steam oven 1000 to make full use of the space on both sides of the mixing chamber 41 in the width direction, thereby improving space utilization and further saving the space occupied by the gas steam oven 1000 during installation.

[0068] like Figure 1 and Figure 2 As shown, according to some embodiments of this application, the gas-fired steam oven 1000 further includes a first fan 5, which is disposed in the air passage 42 and adapted to turbulent the airflow toward the mixing chamber 41 to accelerate the mixing speed of gas and air.

[0069] Specifically, the first fan 5 can be set at the end of the air passage 42 away from the gas passage 43. When the first fan 5 is working, its blades rotate to disturb the airflow, change the direction and speed of gas flow, and make the gas and air form more turbulence and eddies. Turbulence and eddies can increase the contact area and mixing opportunities between air and gas, promote the mutual diffusion and mixing of gas and air, and thus significantly accelerate the mixing speed of the two to effectively improve combustion efficiency and stability, thereby improving cooking quality and taste.

[0070] Furthermore, in some embodiments, the first fan 5 is constructed as an axial fan, the blades of which rotate in the same direction as the airflow to generate axial wind to achieve turbulence. Axial fans have advantages such as simple structure, large air volume, and relatively low noise. Therefore, by constructing the first fan 5 as an axial fan, it is helpful to enhance the turbulence effect of the first fan 5, save production costs, and improve noise reduction performance.

[0071] In other embodiments, the first fan 5 is configured as a diagonal flow fan, with the blades rotating in a direction between perpendicular to and in the same direction as the airflow. This blade angle allows the diagonal flow fan to achieve a better balance between airflow and air pressure. By configuring the first fan 5 as a diagonal flow fan, it is possible to provide a certain airflow and ensure a certain air pressure, which helps to achieve a better gas-air mixing effect.

[0072] like Figures 1-3 As shown, according to some embodiments of this application, the heat exchange chamber 2 includes a first heat exchange chamber 21 and a second heat exchange chamber 22. The first heat exchange chamber 21 is connected to the combustion chamber 1, and the second heat exchange chamber 22 is disposed on the side of the first heat exchange chamber 21 away from the combustion chamber 1 and is connected to the first heat exchange chamber 21. The heat exchange element 3 is disposed in the second heat exchange chamber 22.

[0073] Specifically, the first heat exchange chamber 21 can be located above the combustion chamber 1 and directly connected to the combustion chamber 1. The first heat exchange chamber 21 is located on the side opposite to the combustion chamber 1 in the height direction, and a second heat exchange chamber 22 connected to the first heat exchange chamber 21 is arranged. It can be understood that the combustion chamber 1, the first heat exchange chamber 21, and the second heat exchange chamber 22 are arranged sequentially from bottom to top in the height direction, and the three are connected sequentially.

[0074] When the gas-fired steam oven 1000 is working, the heated flue gas generated in the combustion chamber 1 can directly enter the first heat exchange chamber 21 for preliminary heat exchange. Specifically, the first heat exchange chamber 21 can be equipped with cooling components. For example, a cooling channel 8 connected to the outside can be provided on the first heat exchange chamber 21. A cooling fan 9 can be provided at the end of the cooling channel 8 connected to the outside. The cooling fan 9 works to blow cooling air into the cooling channel 8 and into the first heat exchange chamber 21 to appropriately cool down the heated flue gas in the first heat exchange chamber 21. Since the heated flue gas flowing directly out of the combustion chamber 1 is very hot, if the hot heated flue gas is used directly for baking and cooking, it may cause overcooking of the food and damage to the equipment. Therefore, by using the first heat exchange chamber 21 to appropriately cool down the heated flue gas, the hot heated flue gas is discharged after the temperature is reduced to a reasonable range, which can ensure the baking and cooking effect and the safety of the equipment.

[0075] After undergoing a preliminary heat exchange in the first heat exchange chamber 21, the heated flue gas can continue into the second heat exchange chamber 22, which is connected to the first heat exchange chamber 21, for a deeper heat exchange to form steam. Specifically, a heat exchange element 3 is installed in the second heat exchange chamber 22, and cooking water is introduced into the heat exchange element 3. The cooking water absorbs heat from the heated flue gas and is heated and converted into steam for steaming cooking, thereby improving cooking efficiency and effect.

[0076] like Figures 1-3As shown, according to some embodiments of this application, the first outlet 2a and the second outlet 3b are both disposed in the second heat exchange chamber 22, and the second outlet 3b and the second inlet 3a are disposed on the same side or opposite side of the second heat exchange chamber 22 in the width direction.

[0077] Specifically, the first outlet 2a and the second outlet 3b can both be located in the second heat exchange chamber 22, but at different positions within the chamber. For example, the first outlet 2a can be located at the top of the second heat exchange chamber 22, and the second outlet 3b can be located on the side of the chamber. After the heated flue gas flows out of the combustion chamber 1, it must pass through the first heat exchange chamber 21 and the second heat exchange chamber 22 in sequence to achieve the discharge of heated flue gas from the first outlet 2a and steam from the second outlet 3b. This step-by-step heat exchange method is beneficial for the effective recovery of heat in the first heat exchange chamber 21 and the second heat exchange chamber 22. This reduces heat loss and energy waste. The second inlet 3a is also located in the second heat exchange chamber 22. Furthermore, the second inlet 3a and the second outlet 3b are located on the same side or opposite sides of the second heat exchange chamber 22 in the width direction. The second inlet 3a and the second outlet 3b being located on the same side of the second heat exchange chamber 22 in the width direction can improve the structural compactness of the second inlet 3a and the second outlet 3b, facilitating flexible installation and arrangement. The second inlet 3a and the second outlet 3b being located on opposite sides of the second heat exchange chamber 22 in the width direction can form a convection path, which helps to improve heat exchange efficiency.

[0078] like Figure 4 As shown, according to some embodiments of this application, the heat exchange chamber 2 includes a first heat exchange chamber 21 and a second heat exchange chamber 22. Both the first heat exchange chamber 21 and the second heat exchange chamber 22 are connected to the combustion chamber 1, and the heat exchange element 3 is disposed in the first heat exchange chamber 21.

[0079] Specifically, the first heat exchange chamber 21 and the second heat exchange chamber 22 can be located above the combustion chamber 1 and are both directly connected to the combustion chamber 1.

[0080] The first heat exchange chamber 21 and the second heat exchange chamber 22 can be arranged adjacent to each other in the width direction. This can be understood as the combustion chamber 1 being connected to both the first and second heat exchange chambers 21 and 22. The heated flue gas in the combustion chamber 1 can enter the first heat exchange chamber 21 for heat exchange, or it can enter the second heat exchange chamber 22 for heat exchange. Heat exchange in the first and second heat exchange chambers 21 can occur simultaneously. A heat exchanger 3 is disposed in the first heat exchange chamber 21 to exchange heat with the heated flue gas in the first heat exchange chamber 21. The steam generated after the heat exchanger 3 exchanges heat with the heated flue gas is discharged from the first heat exchange chamber 21. Therefore, the first heat exchange chamber 21 can provide steam for steaming and cooking. The heated flue gas flowing from the combustion chamber 1 into the second heat exchange chamber 22 can be appropriately cooled in the second heat exchange chamber 22 before being discharged from the second heat exchange chamber 22 and used for baking and cooking.

[0081] It is understandable that both the first heat exchange chamber 21 and the second heat exchange chamber 22 are directly connected to the combustion chamber 1, which can improve the smooth flow of heated flue gas and improve heat exchange efficiency.

[0082] like Figure 4 As shown, according to some embodiments of this application, the first outlet 2a has a first sub-outlet 21a and a second sub-outlet 22b, the first sub-outlet 21a and the second outlet 22b are disposed in the first heat exchange chamber 21, and the second sub-outlet 22b is disposed in the second heat exchange chamber 22.

[0083] Specifically, the first outlet 2a includes a first sub-outlet 21a and a second sub-outlet 22b. The first sub-outlet 21a is located in the first heat exchange chamber 21 and is used to discharge heated flue gas that has been appropriately cooled within the first heat exchange chamber 21 for use in baking and cooking. The first sub-outlet 21a and the second outlet 22b are located at different positions within the first heat exchange chamber 21 to ensure that the discharged heated flue gas and discharged steam do not interfere with each other. The second sub-outlet 22b is located in the second heat exchange chamber 22 and is used to discharge heated flue gas that has been appropriately cooled within the second heat exchange chamber 22 for use in baking and cooking. Since both the first sub-outlet 21a and the second outlet 22b are configured to discharge heated flue gas, two different energy supply paths can be provided for baking and cooking. This further improves the efficiency and effect of baking and cooking. Furthermore, depending on the specific baking and cooking equipment and its operating requirements, the flow rate ratio of the first sub-outlet 21a and the second outlet 22b can be adjusted to optimize heat exchange efficiency and heat distribution.

[0084] like Figure 4 As shown, according to some embodiments of this application, the burner is configured as a first burner 10a and a second burner 10b arranged at intervals in the width direction of the combustion chamber 1. The combustion chamber 1 is provided with a partition and divided into a first heating chamber 1a and a second heating chamber 1b. The first burner 10a is disposed in the first heating chamber 1a, and the second burner 10b is disposed in the second heating chamber 1b. The first heating chamber 1a is connected to the first heat exchange chamber 21, and the second heating chamber 1b is connected to the second heat exchange chamber 22.

[0085] Specifically, a partition can be installed inside the combustion chamber 1, defining a first heating chamber 1a and a second heating chamber 1b separated in the width direction. A first burner 10a is installed in the first heating chamber 1a, and a second burner 10b is installed in the second heating chamber 1b. The first heating chamber 1a is connected to the first heat exchange chamber 21, and the second heating chamber 1b is connected to the second heat exchange chamber 22. Thus, the high-temperature heated flue gas generated by the combustion of the first burner 10a can flow from the first heating chamber 1a into the first heat exchange chamber 21 for heat exchange, resulting in the discharge of heated flue gas and steam. This is the first energy supply path. The high-temperature heated flue gas generated by the combustion of the second burner 10b can flow from the second heating chamber 1b into the second heat exchange chamber 22 for heat exchange, resulting in the discharge of heated flue gas. This is the second energy supply path. The first and second energy supply paths are spaced apart in the width direction of the combustion chamber 1, do not interfere with each other, and can operate simultaneously.

[0086] By forming two independent energy supply paths, firstly, each heating chamber and each burner can be controlled independently, which can improve the flexibility and efficiency of heat energy utilization; secondly, it can increase the heat energy that the entire gas steam oven 1000 can provide, and improve the heating efficiency of steaming and baking cooking; thirdly, through the spaced burners and separated heating chambers, it can also improve the uniformity of heat energy distribution in the combustion chamber 1, which can avoid the problems of local overheating or uneven temperature.

[0087] like Figure 4 As shown, according to some embodiments of this application, a wind-cooling component 6 is provided on the second heat exchange chamber 22, and the wind-cooling component 6 is adapted to cool the heated flue gas in the second heat exchange chamber 22.

[0088] Specifically, the air-cooling component 6 can be disposed on any side of the second heat exchange chamber 22 in the width direction. The air-cooling component 6 can reduce the temperature of the heating flue gas in the second heat exchange chamber 22 by convection or forced air cooling. For example, the air-cooling component 6 may include components such as fans and air ducts. Through the cooling effect of the air-cooling component 6, the direct discharge of high-temperature heating flue gas can prevent thermal damage to the equipment, effectively protect the equipment from high temperature damage, extend its service life, and also avoid uneven heating during baking and cooking, which would affect the taste of the food, and help improve the heating efficiency of baking and cooking.

[0089] It should be noted that the first heat exchange chamber 21 may also be equipped with an air-cooled component 6, or the first heat exchange chamber 21 and the second heat exchange chamber 22 may share the same air-cooled component 6, so that the heated flue gas in the first heat exchange chamber 21 can also be cooled down first. In this way, the high-temperature heated flue gas in the first heat exchange chamber 21 can be directly discharged to avoid thermal damage to the equipment, and the temperature difference between the heat exchange component 3 and the heated flue gas can be reduced, thereby improving the steam conversion efficiency.

[0090] like Figures 1-4 As shown, according to the second aspect of the present application, the integrated stove includes: a main body, a steam oven, an oven, and a gas steam oven device 1000.

[0091] The main body has a accommodating cavity; a steam oven and a baking oven are disposed in the accommodating cavity; the gas steam oven 1000 is constructed as described in any of the above embodiments, and the gas steam oven 1000 is disposed on the back side, bottom side or any side in the width direction of the main body; the first outlet 2a of the gas steam oven 1000 is connected to the baking oven, and the second outlet 3b of the gas steam oven 1000 is connected to the steam oven.

[0092] Specifically, the cavity formed within the main body can accommodate components such as a steamer and an oven. The steamer and oven are used to perform steaming and baking cooking functions, respectively. The gas-fired steam-baking device 1000 can be installed on the back, bottom, or any side of the main body according to different integrated stove layout requirements. The steamer is connected to the second outlet 3b of the gas-fired steam-baking device 1000, and the steamer utilizes the steam discharged from the second outlet 3b to improve the heating efficiency of steaming cooking. Similarly, the oven is connected to the first outlet 2a of the gas-fired steam-baking device 1000, and the oven utilizes the heating flue gas discharged from the first outlet 2a to improve the heating efficiency of baking cooking. The integrated stove of this application is a kitchen appliance that integrates multiple cooking functions into one unit. Through reasonable spatial layout and design, cooking components such as steam oven and oven are integrated with a gas steam oven 1000 for additional energy supply on the main body. This can solve the problem that the heating efficiency of large-capacity steam oven cooking cavity is limited by electric power, effectively improving the cooking efficiency and cooking effect of baking and steaming. At the same time, it can also effectively improve the utilization rate of kitchen space and the convenience of cooking.

[0093] It should be noted that, generally, the width of the back side of an integrated cooktop is set between 600mm and 900mm, and the width of each side of the integrated cooktop is set between 300mm and 350mm. Since the gas-fired steam oven 1000 can be installed on either side of the integrated cooktop, its width is controlled within 280mm to ensure it can be installed in different positions as needed. The height of the steam oven and oven assembly is typically set between 500mm and 600mm. Considering the installation space for other components of the integrated cooktop (such as the exhaust pipe of the steam oven), the height of the gas-fired steam oven 1000 is set within 200mm to ensure its placement is coordinated with other components of the integrated cooktop.

[0094] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0095] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A gas-fired steam oven, characterized in that, include: A combustion chamber, wherein a burner is provided in the combustion chamber, the burner being configured to use fuel gas combustion for heating and to form heated flue gas; A heat exchange chamber is disposed on one side of the combustion chamber. A heat exchange element is disposed in the heat exchange chamber. The heat exchange chamber has a first inlet and a first outlet. The first inlet is connected to the combustion chamber. The first outlet is adapted to discharge the heated flue gas. The heated flue gas exchanges heat with the heat exchange element in the heat exchange chamber. The heat exchange element has a second inlet and a second outlet. Cooking water is adapted to enter the heat exchange element through the second inlet. The steam generated after the heat exchange element exchanges heat with the heated flue gas is adapted to be discharged through the second outlet. in The gas-fired steam oven has a height dimension of A, a width dimension of B, and a thickness dimension of C, and satisfies the following conditions: A≤200mm, B≤280mm, C≤50mm.

2. The gas-fired steam oven according to claim 1, characterized in that, Also includes: A mixing chamber is disposed on the other side of the combustion chamber and communicates with the combustion chamber, and the mixing chamber is adapted to provide the combustion chamber with a mixture of fuel gas and air.

3. The gas-fired steam oven according to claim 2, characterized in that, The mixing chamber is provided with a mixing chamber, an air passage and a gas passage. One end of the air passage and one end of the gas passage are connected to the inlet of the mixing chamber. The other end of the air passage is connected to the outside. The other end of the gas passage is connected to the gas supply equipment. Air and gas are mixed in the mixing chamber, and the outlet of the mixing chamber is connected to the combustion chamber.

4. The gas-fired steam oven according to claim 3, characterized in that, The air passage is located on one side of the mixing chamber, and the gas passage is located on the opposite side of the mixing chamber.

5. The gas-fired steam oven according to claim 4, characterized in that, Also includes: A first fan is disposed in the air passage and adapted to turbulent the airflow toward the mixing chamber to accelerate the mixing speed of the gas and the air.

6. The gas-fired steam oven according to claim 3, characterized in that, The heat exchange chamber includes a first heat exchange chamber and a second heat exchange chamber. The first heat exchange chamber is connected to the combustion chamber. The second heat exchange chamber is located on the side of the first heat exchange chamber away from the combustion chamber and is connected to the first heat exchange chamber. The heat exchange element is located in the second heat exchange chamber.

7. The gas-fired steam oven according to claim 6, characterized in that, Both the first outlet and the second outlet are located in the second heat exchange chamber, and the second outlet and the second inlet are located on the same side or opposite side of the second heat exchange chamber in the width direction.

8. The gas-fired steam oven according to claim 3, characterized in that, The heat exchange chamber includes a first heat exchange chamber and a second heat exchange chamber. Both the first heat exchange chamber and the second heat exchange chamber are connected to the combustion chamber, and the heat exchange element is disposed in the first heat exchange chamber.

9. The gas-fired steam oven according to claim 8, characterized in that, The first outlet has a first sub-outlet and a second sub-outlet, the first sub-outlet and the second outlet are disposed in the first heat exchange chamber, and the second sub-outlet is disposed in the second heat exchange chamber.

10. The gas-fired steam oven according to claim 8, characterized in that, The burner is configured as a first burner and a second burner spaced apart in the width direction of the combustion chamber. The combustion chamber is provided with a partition and divided into a first heating chamber and a second heating chamber. The first burner is located in the first heating chamber, and the second burner is located in the second heating chamber. The first heating chamber is connected to the first heat exchange chamber, and the second heating chamber is connected to the second heat exchange chamber.

11. The gas-fired steam oven according to any one of claims 3-10, characterized in that, The second heat exchange chamber is equipped with an air-cooling component, which is suitable for cooling the heated flue gas inside the second heat exchange chamber.

12. An integrated stove, characterized in that, include: The main body has a accommodating cavity formed within it; A steamer and an oven, wherein the steamer and the oven are disposed in the accommodating cavity; The gas-fired steam oven according to any one of claims 1-11, wherein the gas-fired steam oven is disposed on any one side of the main body, either the back side, the bottom side, or in the width direction; wherein The first outlet of the gas-fired steam oven is connected to the oven, and the second outlet of the gas-fired steam oven is connected to the steam box.

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