Integrated cooker

Abstract

The application provides an integrated cooker, which comprises a cooking table and a machine head, the machine head is arranged at the rear end of the cooking table, the machine head has a flue, the flue comprises a first inner wall surface away from the cooking table and a second inner wall surface close to the cooking table, the front-to-rear distance between the first inner wall surface and the second inner wall surface is a first width, and the first width of the flue first increases and then decreases along the left-to-right direction; the integrated cooker is beneficial to reducing the airflow disorder degree of oil fume when the oil fume flows in the flue, thereby being beneficial to improving the oil fume suction effect of the integrated cooker and reducing the noise when the oil fume is sucked.

Description

Technical Field

[0001] This invention relates to the field of cooktop technology, and more particularly to an integrated cooktop. Background Technology

[0002] Integrated cooktops on the market typically have a fume extraction function. For example, the cooktop unit is located near the cooktop where pots and pans are placed. Inside the cooktop unit is a flue for the flow of cooking fumes. Driven by the cooktop's fan, the fumes generated during cooking enter the flue and then flow to the designated exhaust area.

[0003] However, for some existing integrated cooktops, the flow of oil fumes in the flue of the unit is rather chaotic, which results in poor smoke extraction and excessive noise when the integrated cooktop is extracting oil fumes. Summary of the Invention

[0004] This invention aims to at least solve one of the technical problems existing in the prior art. To this end, this invention proposes an integrated stove that helps reduce the airflow disorder when oil fumes flow in the flue, thereby improving the smoke extraction effect and reducing noise during smoke extraction.

[0005] An integrated stove according to an embodiment of the present invention includes a cooktop and a duct head. The duct head is disposed at the rear end of the cooktop and at least partially located above the cooktop. At least one flue is formed inside the duct head from top to bottom, and a smoke inlet communicating with the flue is disposed at the top of the duct head. The flue includes a first inner wall surface away from the cooktop and a second inner wall surface close to the cooktop. The distance between the first inner wall surface and the second inner wall surface is defined as the first width of the flue. The first width of the flue gradually increases and then gradually decreases in the left-right direction.

[0006] According to embodiments of the present invention, at least the following beneficial effects are achieved: In the integrated stove of the present invention, the first width of the flue gradually increases from both ends to the middle. The space at both ends of the flue is smaller, while the space in the middle is larger. Therefore, during the flow of fumes in the flue, in addition to flowing towards the exhaust port, the fumes gradually flow towards the middle of the flue. That is, the fumes gradually gather from both ends towards the middle of the flue, and the fumes inside the motor head tend to gather towards the middle. Therefore, the integrated stove of the present invention facilitates the gathering and flow of fumes in the flue, reducing the degree of airflow disorder within the flue. Reduced airflow disorder within the flue helps to increase the flow velocity of fumes within the flue, thereby increasing the dynamic pressure of the fume airflow. Increased dynamic pressure helps to increase the negative pressure intensity inside the flue relative to the external environment, thus enhancing the fume extraction effect of the integrated stove. Furthermore, lower airflow disorder within the flue also helps to reduce the intensity of collisions between fumes and the flue wall, thereby reducing the noise generated when fumes flow through the flue.

[0007] According to some embodiments of the present invention, multiple flues are arranged side by side at intervals along the left-right direction.

[0008] According to some embodiments of the present invention, the integrated stove further includes a plurality of heating devices distributed in the left-right direction, the heating devices being installed on the stove platform, and each heating device being respectively disposed on the front side of a different flue.

[0009] According to some embodiments of the present invention, the center line of the heating device arranged in the vertical direction is the heating baseline, and the maximum width of the flue is located between the two heating baselines that are furthest apart.

[0010] According to some embodiments of the present invention, the head unit includes: a frame including a guide plate and two side plates, the two side plates being respectively connected to the left and right ends of the guide plate; a smoke baffle, the left and right ends being respectively connected to the two side plates, the smoke baffle being disposed on the front side of the guide plate and covering at least a portion of the guide plate, the smoke baffle and the frame jointly defining the flue, the first inner wall surface being located on the guide plate, and the second inner wall surface being located on the smoke baffle.

[0011] According to some embodiments of the present invention, the first inner wall surface is recessed in a direction away from the second inner wall surface, and the second inner wall surface is configured as a plane.

[0012] According to some embodiments of the present invention, the first inner wall surface is configured as an arc surface.

[0013] According to some embodiments of the present invention, the guide plate includes a converging section and a rectifying section connected to each other, the converging section being located above the rectifying section, the first inner wall surface being located in the rectifying section, the converging section including a third inner wall surface facing the stove, the bottom end of the third inner wall surface being connected to the top end of the first inner wall surface, the third inner wall surface being inclined backward relative to the second inner wall surface, and in the vertical direction, the position of the smoke inlet being higher than the bottom end of the third inner wall surface.

[0014] According to some embodiments of the present invention, the top of the smoke baffle is lower than the top of the side plate to form the smoke inlet above the smoke baffle, and the distance between the lower edge of the smoke inlet and the bottom edge of the third inner wall surface is not greater than 30 mm in the vertical direction; or, the top of the smoke baffle has a plurality of through holes to form the smoke inlet, and the distance between the lower edge of the lowermost smoke inlet and the bottom edge of the third inner wall surface is not greater than 30 mm in the vertical direction.

[0015] According to some embodiments of the present invention, the third inner wall surface is configured as an arc surface.

[0016] According to some embodiments of the present invention, the third inner wall surface is configured as an arc surface.

[0017] According to some embodiments of the present invention, the front-to-back distance between the third inner wall surface and the second inner wall surface is set as the second width of the flue. The integrated stove also includes a heating device installed on the stove platform. The center line of the heating device arranged in the vertical direction is the heating baseline. The maximum point of the second width of the flue is located between the two heating baselines that are furthest apart.

[0018] According to some embodiments of the present invention, the first maximum width of the flue coincides with the second maximum width of the flue.

[0019] Additional aspects and advantages of the invention 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 the invention. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of an integrated stove according to an embodiment of the present invention;

[0021] Figure 2 for Figure 1 A schematic diagram of an integrated stove absorbing cooking fumes;

[0022] Figure 3 This is a schematic diagram of a baffle plate in an integrated stove according to an embodiment of the present invention;

[0023] Figure 4 For having Figure 3 A cross-sectional view of the nose section of the diffuser shown;

[0024] Figure 5 This is a schematic diagram of the first inner wall surface composed of multiple planes in this invention;

[0025] Figure 6 This is a schematic diagram of a baffle plate in an integrated stove according to another embodiment of the present invention;

[0026] Figure 7 For having Figure 6 A cross-sectional view of the nose section of the aircraft, as shown by the guide vane;

[0027] Figure 8 For having Figure 6 A partial cross-sectional view of the nose cone of the diffuser shown from another angle;

[0028] Figure 9 for Figure 8 Enlarged view of region A in the middle;

[0029] Figure 10 for Figure 9 A schematic diagram of the vortex zone on the side of the middle smoke baffle facing away from the stove.

[0030] Figure 11 This is a schematic diagram showing the relative position of the center of the heating device and the deepest recess of the first inner wall surface in an integrated stove according to an embodiment of the present invention.

[0031] Figure 12 This is a schematic diagram showing the relative positions of the center of the heating device, the deepest recess of the first inner wall surface, and the deepest recess of the third inner wall surface in an integrated stove according to another embodiment of the present invention.

[0032] Figure 13 This is a schematic diagram of a machine head in the prior art;

[0033] Figure 14 for Figure 13 An exploded view of the machine head.

[0034] Icon labels:

[0035] 100-Integrated stove, 101-Stovetop, 102-Heater head, 103-Heating device, 104-Potware, 105-Top plate, 106-Side plate, 107-Smoke baffle, 108-Smoke inlet, 109-Guide plate, 110-Smoke outlet, 111-Fluorite, 112-Base;

[0036] 201 - First inner wall surface, 202 - Unit plane, 203 - Second inner wall surface;

[0037] 301 - Third inner wall surface, 302 - Convergence section, 303 - Rectifying section. Detailed Implementation

[0038] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0039] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention 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. Therefore, they should not be construed as limiting this invention.

[0040] In the description of this invention, "multiple" refers to two or more. The use of "first" and "second" is for distinguishing technical features only and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features or their sequential relationship.

[0041] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0042] This invention provides an integrated stove 100, as shown in the reference. Figure 1 The integrated stove 100 includes a cooktop 102 and a cooktop 101. Furthermore, Figure 1 The image shows the integrated stove 100 with a cookware 104 installed.

[0043] Reference Figure 1 The integrated stove 100 may include a heating device 103 for heating cookware 104. The heating device 103 is installed on the stovetop 101, which is used to directly or indirectly support the cookware 104. For example, see reference... Figure 1 In some embodiments, the heating device 103 is configured as a gas burner head, mounted on top of the cooktop 101, and abuts against and supports the bottom of the cookware 104. In other embodiments, the heating device 103 of the integrated stove 100 can be configured as an electromagnetic heating coil, which can be disposed inside the cooktop 101, with the top surface of the cooktop 101 abutting against the cookware 104 to support it. The integrated stove 100 may also include a base 112, with the cooktop 101 mounted on top of the base 112, and the cavity inside the base 112 allowing gas supply pipes or power supply cables to pass through.

[0044] Reference Figure 1 The motor head 102 is located at the rear end of the stove 101, and at least a portion of the motor head 102 is positioned above the stove 101. Combined with... Figure 1 and Figure 2 The machine head 102 has a flue 111, a smoke inlet 108, and a smoke outlet 110. Both the smoke inlet 108 and the smoke outlet 110 are connected to the flue 111. The flue 111 is arranged from top to bottom. The smoke inlet 108 is located at the top of the machine head 102, and the smoke outlet 110 is located at the bottom of the machine head 102. (Refer to...) Figure 2 , Figure 2 The dashed arrows indicate the approximate direction of oil fume flow. During cooking with the integrated stove 100, oil fumes are mainly generated from the cookware 104 placed on the stovetop 101. The fumes enter the flue 111 through the inlet 108, flow within the flue 111, and finally exit through the outlet 110. The fumes exiting the flue 111 are ultimately discharged to the outdoor environment through an external pipe connected to the integrated stove 100. (Refer to...) Figure 1To allow cooking fumes to enter the flue 111, the inlet 108 is located on the side of the unit 102 facing the cooktop. Furthermore, since the opening at the top of the cookware 104 is at a certain height relative to the cooktop 101, the inlet 108 is located at the top of the unit 102 to facilitate the entry of cooking fumes rising from the cookware 104 into the flue 111. The integrated cooktop 100 may also have a fan (not specifically shown), which can be installed in the cavity inside the base 112 of the integrated cooktop 100. Driven by the fan, cooking fumes enter the flue 111.

[0045] The integrated stove 100 of the present invention has a flue 111 that can rectify the fumes and reduce turbulent airflow within the flue 111. Specifically, combined with Figure 1 and Figure 4 The flue 111 includes a first inner wall surface 201 away from the stove 101 and a second inner wall surface 203 close to the stove 101. The front-to-back distance between the first inner wall surface 201 and the second inner wall surface 203 is the first width of the flue 111. The first width of the flue 111 gradually increases and then gradually decreases in the left-to-right direction. For example, refer to... Figure 4 Taking the left-side flue 111 as an example, from left to right, the front-to-back distance between the first inner wall surface 201 and the second inner wall surface 203 gradually increases and then gradually decreases (if referring to...). Figure 11 The maximum distance corresponds to point E. From right to left, the front-to-back distance between the first inner wall surface 201 and the second inner wall surface 203 gradually increases and then gradually decreases. The flue 111 is narrower at both ends and wider in the middle.

[0046] It should be noted that in this invention, "middle part" and "middle section" mainly refer to the portion of the flue 111 excluding the left and right ends, and are not strictly limited to the center of symmetry of the flue 111. Furthermore, the specific orientation in this invention is set as follows: when a user cooks using the integrated stove 100, the user is positioned in front of the integrated stove 100, the side of the integrated stove 100 furthest from the user is the rear side of the integrated stove 100, and the user's up, down, left, and right directions correspond to the up, down, left, and right directions of the integrated stove 100, respectively.

[0047] Figure 13 and Figure 14 The image shows the head unit 102 of an integrated stove 100 in one of the prior art, wherein... Figure 14 The dashed arrows in the diagram indicate the approximate flow path of the fumes in flue 111. Figure 13 In this structure, the cross-section of flue 111 is roughly rectangular, which hinders the accumulation of cooking fumes after they enter the flue. For Figure 13In the flue 111, the fumes flow in a relatively dispersed manner, resulting in a lot of chaotic and disordered airflow. The high degree of airflow disorder in the flue 111 can easily lead to excessive pressure loss of the fumes, which is not conducive to increasing the flow rate of the fumes and enhancing the fume extraction effect of the integrated stove 100. In addition, the high degree of airflow disorder in the flue 111 can also easily cause the fumes to collide violently with the wall of the flue 111, resulting in greater noise when the fumes flow through the flue 111.

[0048] Reference Figure 4 In the integrated stove 100 of this invention, the first width of the flue 111 gradually increases from the left and right ends to the middle. The space at the left and right ends of the flue 111 is smaller, while the space in the middle is larger. Therefore, during the flow of fumes in the flue 111, in addition to flowing towards the exhaust port 110, the fumes will gradually flow towards the middle of the flue 111. That is, the fumes will gradually gather from the left and right ends towards the middle of the flue 111, and the fumes inside the motor head 102 will have a tendency to gather towards the middle. Therefore, the integrated stove 100 of this invention is conducive to the gathering and flowing of fumes in the flue 111, thereby reducing the degree of airflow disorder within the flue 111. The reduced airflow disorder within the flue 111 helps to increase the flow velocity of fumes within the flue 111, thereby increasing the dynamic pressure of the fume airflow. The increase in dynamic pressure helps to increase the negative pressure intensity inside the flue 111 relative to the external environment, thus enhancing the fume extraction effect of the integrated stove 100. In addition, the lower airflow disorder in the flue 111 also helps to reduce the intensity of the collision between the fumes and the wall of the flue 111, thereby reducing the noise generated when the fumes flow through the flue 111.

[0049] In order to make the width of the flue 111 gradually increase from the left and right ends to the middle part, in some embodiments, the first inner wall surface 201 may be recessed in the direction away from the center of the flue 111, while the second inner wall surface 203 may be flat; in other embodiments, the first inner wall surface 201 may be flat, while the second inner wall surface 203 may be recessed in the direction away from the center of the flue 111.

[0050] Figure 4 The diagram shows a case where the first inner wall surface 201 is recessed and the second inner wall surface 203 is flat. In this case, cooking fumes tend to accumulate at the rear of the flue 111, preventing them from accumulating at the front and reducing the probability of fume overflow, thus enhancing the smoke extraction effect of the integrated stove 100. Furthermore, referring to… Figure 2The fumes are generated from the cookware 104 on the stove 101. Driven by the fan, the fumes generally flow from front to back and enter the flue 111 through the smoke inlet 108. After the fumes enter the flue 111, they mainly come into contact with the first inner wall surface 201. If the first inner wall surface 201 is set as a concave surface, it will help the fumes to accumulate as early as possible under the guidance of the first inner wall surface 201.

[0051] It should be noted that the recessed first inner wall surface 201 can be set as an arc surface (e.g., Figure 4 As shown), it can also be set as a surface composed of multiple connected planes. For example, Figure 5 The diagram shows the case where the recessed first inner wall surface 201 is composed of multiple connected planes; Figure 5 In the middle, the first inner wall surface 201 includes multiple unit planes 202, which are connected end to end along the second horizontal direction to form the first inner wall surface 201.

[0052] Furthermore, during the use of the integrated stove 100, oil stains may remain on the wall of the flue 111. When it is necessary to clean the wall of the flue 111, the user can remove the baffle 107 of the motor head 112 and then use a cleaning tool such as a cloth to clean the flue 111. In the prior art, the rectangular flue 111 has a roughly right-angled corner formed between its rear wall and the left and right side walls. This corner easily accumulates oil stains and is not easy to wipe or clean. However, in the flue 111 of the present invention, with the first inner wall surface 201 being curved, the first inner wall surface 201 itself does not have sharp edges or corners that easily accumulate oil stains, making it convenient for the user to wipe the first inner wall surface 201.

[0053] Reference Figure 4 Multiple flues 111 can be provided, and the multiple flues 111 are distributed in the left and right direction. When multiple flues 111 are provided, it is equivalent to dividing the internal space of the head unit 102 into zones. This allows the oil fumes in multiple smaller areas to be collected and rectified separately, so that the oil fumes in each smaller area have a high flow rate, thereby improving the smoke extraction effect. Figure 4 The diagram shows the case where only two flues 111 are provided. In other embodiments, the number of flues 111 can be increased. Furthermore, for two adjacent flues 111, the right end of the left flue 111 and the left end of the right flue 111 can be connected or disconnected; that is... Figure 4 There may be a certain gap between the junction of the two first inner wall surfaces 201 and the second inner wall surface 203.

[0054] When multiple flues 111 are provided, each flue 111 can correspond to a heating device 103. This can be combined with... Figure 4 and Figure 11 If each flue 111 corresponds to a heating device 103, then each flue 111 is located behind a heating device 103. Each flue 111 mainly collects the oil fumes from the cookware 104 on the corresponding heating device 103. This allows the integrated stove 100 to absorb the oil fumes from each cookware 104 more specifically, thereby enhancing the smoke extraction effect of the integrated stove 100.

[0055] Reference Figure 11 When multiple flues 111 and heating devices 103 are provided, the following arrangement is also possible: along the left-right direction, the maximum first width of all flues 111 is located between the centers of the two farthest heating devices 103. This arrangement helps to concentrate the fumes towards the center of the head 102 as they flow towards the exhaust port 110, thereby improving the smoke extraction effect.

[0056] by Figure 11 For example, the center line of the heating device 103 is the heating baseline; Figure 11 This is actually a top-down view. The heating baseline is a line set vertically. In the top view, one heating baseline corresponds to one point. (Refer to...) Figure 11 The leftmost heating baseline corresponds to point C, and the rightmost heating baseline corresponds to point D. Figure 11 For example, the integrated stove 100 has two heating devices 103 and two flues 111. The maximum width of the left flue 111 corresponds to the location of the straight line L1 or the location of point E. The intersection of the straight line L1 and the left first inner wall surface 201 is point E. The maximum width of the right flue 111 corresponds to the location of the straight line L2 or the location of point F. The intersection of the straight line L2 and the left first inner wall surface 201 is point F.

[0057] Figure 11 In this configuration, point C is located to the left of line L1, and point D is located to the right of line L2, meaning that both lines L1 and L2 are positioned between points C and D. Alternatively, points E and F are both located between points C and D along the left-right direction. In other embodiments, if the number of flues 111 and heating devices 103 exceeds two, then the maximum first width of all flues 111 must be located between the leftmost and rightmost heating baselines; examples are not provided here.

[0058] During the use of the integrated stove 100, the center of the heating device 103 can be approximately considered as the center of the cookware 104. Figure 11In the setup shown, the fumes generated at the outer edge of the cookware 104 can be concentrated and drawn to the center of the motor head 102, preventing the fumes from spreading to the left and right sides above the stove 101, reducing the fumes that cannot be drawn into the flue 111, thereby enhancing the smoke extraction effect of the integrated stove 100.

[0059] The structure of the head unit 102 will be described below to illustrate how the flue 111 is formed.

[0060] Reference Figure 1 , Figure 1 A relatively simple and easy-to-manufacture nozzle 102 is shown. The nozzle 102 includes a frame and a smoke baffle 107, wherein the frame includes a baffle 109 and two side plates 106. (Refer to...) Figure 4 Along the second horizontal direction, the left and right ends of the smoke baffle 107 are connected to the two side plates 106 respectively, and the left and right ends of the guide plate 109 are also connected to the two side plates 106; combined Figure 1 and Figure 4 The smoke baffle 107 is disposed on the front side of the guide vane 109, and the smoke baffle 107 covers a portion of the guide vane 109. Combined with... Figure 3 and Figure 4 The guide vane 109 has the aforementioned first inner wall surface 201 on the side near the smoke baffle 107, as shown in the reference. Figure 4 The smoke baffle 107 has the aforementioned second inner wall surface 203 on the side near the guide plate 109. The guide plate 109, the smoke baffle 107, and the side plate 106 together enclose the flue 111, and the top of the smoke baffle 107 and the top of the side plate 106 are spaced apart to form a smoke inlet 108.

[0061] Reference Figure 1 The head unit 102 also includes a top plate 105, which is connected to the top of the guide plate 109 and the top of the side plate 106. The top plate 105 protrudes forward relative to the smoke baffle 107; the top plate 105 is located at the top edge of the smoke inlet 108. (See reference...) Figure 2 The top plate 105 can restrict the upward flow of oil fumes and guide them to the smoke inlet 108. Specifically, after the upward flow of oil fumes is blocked by the top plate 105, it will flow into the smoke inlet 108.

[0062] In other embodiments, the top of the smoke baffle 107 may be at the same height as the side plate 106, the top of the smoke baffle 107 may abut against the top plate 105, and the top of the smoke baffle 107 may have multiple through holes, which serve as smoke inlets 108.

[0063] In some embodiments, the upper region of the flue 111 can be configured to be relatively large to allow cooking fumes to enter the flue 111. For example, refer to... Figure 6The guide vane 109 includes a converging section 302 and a rectifying section 303. The converging section 302 has a first inner wall surface 201, and the rectifying section 303 has a third inner wall surface 301. The bottom end of the converging section 302 is connected to the bottom end of the rectifying section 303, and correspondingly, the bottom end of the third inner wall surface 301 is connected to the top end of the first inner wall surface 201. Furthermore, refer to... Figure 9 Vertically, the bottom of the third inner wall surface 301 is lower than the position of the smoke inlet 108. (Combined with...) Figure 6 and Figure 7 The third inner wall surface 301 is inclined backward relative to the second inner wall surface 203. Specifically, the third inner wall surface 301 is inclined in a downward direction, gradually approaching the second inner wall surface 203, or in other words, referring to... Figure 9 The front-to-back distance between the third inner wall surface 301 and the second inner wall surface 203 gradually decreases from top to bottom. The bottom end of the third inner wall surface 301 is lower than the position of the smoke inlet 108, specifically meaning that the bottom end of the third inner wall surface 301 is lower than the bottom edge of the smoke inlet 108. For example, combined with... Figure 1 and Figure 9 If the smoke inlet 108 is formed by the top of the smoke baffle 107 and the top plate 105 being spaced apart, then the bottom of the third inner wall surface 301 may be lower than the top of the smoke baffle 107. If the through hole at the top of the smoke baffle 107 is used as the smoke inlet 108, then the bottom edge of the lowest smoke inlet 108 among the multiple smoke inlets 108 is higher than the bottom of the third inner wall surface 301.

[0064] Reference Figure 9 The space between the guide plate 109 and the third inner wall surface 301 is called the upper region of the flue 111, and the space between the guide plate 109 and the first inner wall surface 201 is called the lower region of the flue 111. Since the third inner wall surface 301 is inclined and concave, the horizontal cross-sectional area of ​​the upper region of the flue 111 is larger than the horizontal cross-sectional area of ​​the lower region of the flue 111.

[0065] The upper part of the flue 111 has a larger horizontal cross-sectional area, which is equivalent to reducing the flow resistance of oil fumes near the beginning of the flue 111, making it easier for oil fumes to enter the depth of the flue 111, and reducing the probability that oil fumes will overflow directly from the inlet 108 to the outside of the flue 111 after colliding with the guide plate 109.

[0066] Furthermore, after the fumes enter the flue 111, some of them collide with the guide plate 109 and bounce back to the baffle plate 107, thus forming a vortex on the side of the baffle plate 107 facing the guide plate 109. The inclined third inner wall surface 301 helps to reduce the vortex area on the side of the baffle plate 107 facing away from the stovetop 101 (the vortex area is approximately as follows). Figure 10 (As shown in region B in the diagram), thereby reducing the noise generated by the eddies.

[0067] The third inner wall surface 301 can be recessed backward. Similar to the first inner wall surface 201, the recessed third inner wall surface 301 is conducive to gathering oil fume, reducing the turbulence degree of the air flow in the flue 111, thus facilitating increasing the flow rate of the oil fume in the flue 111 and improving the smoking effect of the integrated stove 100; moreover, setting the third inner wall surface 301 as a recessed surface is conducive to gathering the oil fume entering the flue as early as possible. In addition, setting both the first inner wall surface 201 and the third inner wall surface 301 as recessed surfaces is also conducive to improving the smoothness of the transition between the third inner wall surface 301 and the first inner wall surface 201 and reducing the turbulent flow generated near the joint of the first inner wall surface 201 and the third inner wall surface 301. Refer to Figure 6 , similar to setting the first inner wall surface 201 as an arc surface, the third inner wall surface 301 can also be set as an arc surface so that the user can wipe and clean the third inner wall surface 301.

[0068] The bottom end of the third inner wall surface 301 should not be higher than the bottom edge of the smoke inlet 108, otherwise the oil fume will overflow outside the flue 111 under the guiding effect of the third inner wall surface 301 (equivalent to flowing back above the cooking range 101). Refer to Figure 9 , if the bottom end of the third inner wall surface 301 is lower than the bottom edge of the smoke inlet 108, after most of the oil fume flows downward from the bottom end of the third inner wall surface 301, it will be blocked by the second inner wall surface 203 of the smoke baffle 107 and will not overflow outside the flue 111 from the smoke inlet 108 above the smoke baffle 107.

[0069] On the basis that the bottom end of the third inner wall surface 301 is lower than the smoke inlet 108, the height difference between the bottom end of the third inner wall surface 301 and the smoke inlet should not be set too large; if this height difference is too large, the upper region with a larger cross-sectional area in the flue 111 will occupy a larger proportion, and the overall space volume of the flue 111 will be too large, which is not conducive to increasing the flow rate of the oil fume in the flue 111 and is not conducive to improving the smoking effect. For example, refer to Figure 9 , in some embodiments, the vertical distance between the bottom end of the third inner wall surface 301 and the bottom edge of the smoke inlet 108 is L, where 0 < L ≤ 30 mm. This setting can prevent the oil fume from flowing back to the cooking range 101 and avoid the space volume of the flue 111 from being too large, thereby ensuring a higher flow rate of the oil fume in the flue 111 and ensuring a better smoking effect of the integrated stove 100. If the through hole at the top of the smoke baffle 107 is used as the smoke inlet 108, then among the multiple smoke inlets 108, for the lowermost smoke inlet 108, the vertical distance between its bottom edge and the bottom end of the third inner wall surface 301 is L, where 0 < L ≤ 30 mm.

[0070] When multiple flues 111 are provided, both the first inner wall surface 201 and the third inner wall surface 301 are provided with multiple ones. Refer to Figure 6 and Figure 7 The arrangement direction of the plurality of first inner wall surfaces 201 is the same as that of the plurality of third inner wall surfaces 301, and the plurality of first inner wall surfaces 201 and the plurality of third inner wall surfaces 301 are arranged along the left-right direction; each first inner wall surface 201 is connected to a third inner wall surface 301.

[0071] Reference Figure 12 In order to concentrate the oil fumes above the stove 101 toward the center of the motor head 102 to enhance the smoke extraction effect of the integrated stove 100, when the guide plate 109 is provided with a third inner wall surface 301, it can also be provided that: along the left and right direction, the maximum point of the second width of the flue 111 is located between the centers of the two heating devices 103 that are furthest apart, wherein the front-to-back distance between the third inner wall surface 301 and the second inner wall surface 203 is the second width of the flue 111.

[0072] For example, refer to Figure 12 , Figure 12 Also a top view, the heating baselines of the two heating devices 103 correspond to points C and D respectively. The maximum width of the second part of the flue 111 on the left corresponds to line L3 or point G. The intersection of line L3 and the third inner wall surface 301 on the left is point G. The maximum width of the confluence section 302 on the right corresponds to line L4 or point H. The intersection of line L4 and the third inner wall surface 301 on the right is point H. Figure 12 In the diagram, point C is located to the left of line L3, and point D is located to the right of line L4. That is, both lines L3 and L4 are situated between points C and D. Alternatively, along the left-right direction, points G and H are both located between points C and D.

[0073] and Figure 11 The settings are similar, in Figure 12 In the setup shown, the fumes generated at the outer edge of the cookware 104 can be concentrated and drawn to the center of the motor head 102, preventing the fumes from spreading to the left and right sides above the stove 101, reducing the fumes that cannot be drawn into the flue 111, thereby enhancing the smoke extraction effect of the integrated stove 100.

[0074] Furthermore, to improve the smoothness of the transition between the third inner wall surface 301 and the first inner wall surface 201, thereby avoiding chaotic airflow at the junction of the third inner wall surface 301 and the first inner wall surface 201, in some embodiments, the maximum point of the first width of the flue 111 coincides with the maximum point of the second width of the flue 111. For example, referring to... Figure 12The first and second points of maximum width of the left flue 111 both correspond to the location of line L3, and the first and second points of maximum width of the right flue 111 both correspond to the location of line L4. That is, points E and F are both located between points C and D, and points E and G are collinear, while points F and H are collinear.

[0075] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. Integrated cooker, characterized in that, include: Stove; A smoke duct is located at the rear end of the stove and at least partially above the stove. The smoke duct has at least one flue running from top to bottom inside. A smoke inlet communicating with the flue is located at the top of the smoke duct. The smoke duct includes a frame and a smoke baffle. The frame includes a guide plate and two side plates. The two side plates are respectively connected to the left and right ends of the guide plate. The left and right ends of the smoke baffle are respectively connected to the two side plates. The smoke baffle is located in front of the guide plate and covers at least a portion of the guide plate. The smoke baffle and the frame together define the flue. The flue includes a first inner wall surface away from the stove and a second inner wall surface close to the stove. The first inner wall surface is located on the baffle plate and is recessed in a direction away from the second inner wall surface. The second inner wall surface is located on the smoke baffle plate and is set as a plane. The front-to-back distance between the first inner wall surface and the second inner wall surface is set as the first width of the flue. The first width of the flue gradually increases and then gradually decreases in the left-to-right direction.

2. The integrated stove of claim 1, wherein, Multiple flues are arranged side by side along the left-right direction.

3. The integrated cooktop of claim 2, wherein, The integrated stove also includes multiple heating devices distributed along the left and right direction. The heating devices are installed on the stove platform, and each heating device is respectively set on the front side of a different flue.

4. The integrated stove of claim 3, wherein, With the center line of the heating device set in the vertical direction as the heating baseline, the maximum first width of the flue is set between the two heating baselines that are furthest apart.

5. The integrated cooktop of claim 1, wherein, The first inner wall surface is set as an arc surface.

6. The integrated cooktop of claim 1, wherein, The guide plate includes a converging section and a rectifying section connected to each other. The converging section is located above the rectifying section. The first inner wall surface is located in the rectifying section. The converging section includes a third inner wall surface facing the stove. The bottom end of the third inner wall surface is connected to the top end of the first inner wall surface. The third inner wall surface is inclined backward relative to the second inner wall surface. In the vertical direction, the position of the smoke inlet is higher than the bottom end of the third inner wall surface.

7. The integrated cooktop of claim 6, wherein, The top of the smoke baffle is lower than the top of the side plate to form the smoke inlet above the smoke baffle. In the vertical direction, the distance between the lower edge of the smoke inlet and the bottom edge of the third inner wall is no more than 30mm. Alternatively, the top of the smoke baffle has multiple through holes to form the smoke inlet, and the distance between the lower end of the lowest smoke inlet and the bottom end of the third inner wall surface is no more than 30mm in the vertical direction.

8. The integrated cooktop of claim 6, wherein, The third inner wall surface is concave to the rear.

9. The integrated cooktop of claim 8, wherein, The third inner wall surface is set as an arc surface.

10. The integrated cooktop of claim 6, wherein, The distance between the third inner wall surface and the second inner wall surface is defined as the second width of the flue. The integrated stove also includes multiple heating devices installed on the stove platform. The center line of the heating device set in the vertical direction is used as the heating baseline. The maximum point of the second width of the flue is set between the two heating baselines that are furthest apart.

11. The integrated cooktop of claim 10, wherein, The first maximum width of the flue coincides with the second maximum width of the flue.

Images