CN216744462U - Energy-gathering plate and stove - Google Patents

Abstract

The utility model relates to the technical field of kitchen utensils, in particular to an energy-gathering plate and a kitchen range. The energy-gathering disc comprises an energy-gathering disc body and a guide plate, a smoke inlet is formed in the inner ring surface of the energy-gathering disc body, a smoke outlet is formed in the outer ring surface of the energy-gathering disc body, and the smoke inlet is communicated with the smoke outlet; the energy-gathering disc body is provided with an inner cavity, a baffle plate is arranged in the inner cavity, and the baffle plate is positioned between the smoke inlet and the smoke outlet; the guide plate is fixedly connected with the energy-gathering plate body, and the guide plate is positioned above the smoke inlet. The flue gas is discharged from the flue gas outlet after passing through the baffle plate, so that the retention time of the flue gas in the inner cavity is prolonged, the heat exchange quantity of the high-temperature flue gas and the energy-collecting plate is increased, the bottom of the cooker is heated by effectively utilizing the heat conduction of the energy-collecting plate, and the heat loss is reduced.

Description

Energy-gathering plate and stove

Technical Field

The utility model relates to the technical field of kitchen utensils, in particular to an energy-gathering plate and a kitchen range.

Background

The gas cooker is a kitchen utensil essential for residents, and the heat efficiency is one of performance indexes of the gas cooker and is more and more concerned by users. To improve the thermal efficiency, more and more technicians are focusing on the study of the shaped-energy discs. An energy collecting disc is additionally arranged between the burner and the pot bottom to form a semi-closed combustion space, so that the heat exchange quantity between the burner and the pot bottom is enhanced, and the heat efficiency of the cooker is improved. It is worth noting that a large amount of high-temperature flue gas is generated when the burner exchanges heat with the bottom of the boiler, and the flue gas carries a large amount of heat. However, most of the energy collecting plates in the market are designed to directly discharge high-temperature smoke, which causes serious heat loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy-collecting disc and a cooker, so as to solve the technical problem that the heat loss is serious because the high-temperature smoke is directly discharged by the existing energy-collecting disc in the prior art.

Based on the purpose, the utility model provides an energy-gathering disc, which comprises an energy-gathering disc body and a guide plate, wherein a smoke inlet is formed in the inner ring surface of the energy-gathering disc body, a smoke outlet is formed in the outer ring surface of the energy-gathering disc body, and the smoke inlet is communicated with the smoke outlet; the energy-gathering disc body is provided with an inner cavity, a baffle plate is arranged in the inner cavity, and the baffle plate is positioned between the smoke inlet and the smoke outlet; the guide plate is fixedly connected with the energy-gathering plate body, and the guide plate is positioned above the smoke inlet.

In one possible design, the baffle is of a tubular structure, and the axis of the baffle is coincident with the axis of the energy-gathering disc body; one end of the baffle plate is fixedly connected with the lower surface of the guide plate, a gap is formed between the other end of the baffle plate and the upper surface of the bottom plate of the energy-gathering plate body, or one end of the baffle plate is fixedly connected with the bottom plate of the energy-gathering plate body, and a gap is formed between the other end of the baffle plate and the lower surface of the guide plate.

Furthermore, the number of the baffle plates is multiple, the baffle plates are arranged at intervals along the radial direction of the energy-gathering plate body, one of the baffle plates is fixedly connected with the lower surface of the guide plate, and the other baffle plate is fixedly connected with the bottom plate of the energy-gathering plate body.

In another possible design, the baffle plate is of an annular plate-shaped structure, and the axis of the baffle plate is coincident with the axis of the energy-gathering disk body; the annular inner side edge of the baffle plate is fixedly connected with the inner annular surface of the energy-gathering disc body, a gap is formed between the annular outer side edge of the baffle plate and the outer annular surface of the energy-gathering disc body, or the annular inner side edge of the baffle plate is fixedly connected with the outer annular surface of the energy-gathering disc body, and a gap is formed between the annular outer side edge of the baffle plate and the inner annular surface of the energy-gathering disc body.

Furthermore, the number of the baffle plates is multiple, the baffle plates are arranged at intervals along the axial direction of the energy-gathering disc body, in two adjacent baffle plates, the annular inner side edge of one baffle plate is fixedly connected with the inner annular surface of the energy-gathering disc body, and the annular inner side edge of the other baffle plate is fixedly connected with the outer annular surface of the energy-gathering disc body.

Furthermore, the energy-gathering plate further comprises an annular baffle, the inner edge of the annular baffle is fixedly connected with the outer annular surface of the energy-gathering plate body, and the annular baffle is located below the smoke outlet.

Further, the energy-gathering disk body comprises an upper disk and a lower disk, the upper disk comprises a first annular bottom plate and a first annular side wall extending upwards from the outer annular edge of the first annular bottom plate, and the upper edge of the first annular side wall is fixedly connected with the lower surface of the guide plate; the lower-layer disc comprises a second annular bottom plate and a second annular side wall extending upwards from the outer ring edge of the second annular bottom plate, the upper edge of the second annular side wall is fixedly connected with the lower surface of the guide plate, the inner ring edge of the second annular bottom plate is fixedly connected with the inner ring edge of the first annular bottom plate, and the upper-layer disc, the lower-layer disc and the guide plate are enclosed to form the inner cavity; the flue gas inlet is located the first annular lateral wall, the flue gas outlet is located the second annular lateral wall.

Furthermore, the number of the smoke inlets is multiple, and the smoke inlets are uniformly arranged at intervals along the inner ring surface of the energy-gathering disc body; the number of the smoke outlets is multiple, and the smoke outlets are uniformly arranged at intervals along the outer annular surface of the energy-gathering disk body.

Based on the above purpose, the utility model also provides a cooker, which comprises the energy-gathering disk.

Further, the kitchen range further comprises a combustor, and a gap is formed between the circumferential surface of the combustor and the inner ring surface of the energy-gathering disc body.

Compared with the prior art, the utility model has the following beneficial effects:

the energy-gathering disc comprises an energy-gathering disc body and a guide plate, wherein a smoke inlet is formed in the inner ring surface of the energy-gathering disc body, a smoke outlet is formed in the outer ring surface of the energy-gathering disc body, and the smoke inlet is communicated with the smoke outlet; the energy-gathering disc body is provided with an inner cavity, a baffle plate is arranged in the inner cavity, and the baffle plate is positioned between the smoke inlet and the smoke outlet; the guide plate is fixedly connected with the energy-gathering plate body, and the guide plate is positioned above the flue gas inlet.

Based on the structure, when the energy-gathering disk provided by the utility model is used, the energy-gathering disk is placed on the periphery of a burner, a pot is placed on the energy-gathering disk, high-temperature smoke generated by burning rises, most of the high-temperature smoke enters the inner cavity from the smoke inlet under the flow guide effect of the flow guide plate and flows along the baffle plate, and then is discharged from the smoke outlet, so that the retention time of the smoke in the inner cavity is prolonged, the heat exchange quantity of the high-temperature smoke and the energy-gathering disk is increased, the bottom of the pot is heated by effectively utilizing the heat conduction of the energy-gathering disk, and the heat loss is reduced.

The cooker provided by the utility model can increase the heat exchange quantity of high-temperature flue gas and the energy-collecting disc due to the energy-collecting disc provided by the utility model, effectively utilizes the heat conduction of the energy-collecting disc to heat the bottom of a cooker, reduces the heat loss and improves the heat efficiency of the cooker.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a power concentrating disk according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a concentrator disk according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural view of a cooker provided in an embodiment of the present invention;

fig. 5 is a cross-sectional view of a concentrator disk according to a second embodiment of the present invention;

FIG. 6 is a partial enlarged view of the portion B in FIG. 5;

fig. 7 is a schematic structural diagram of a cooker provided in the second embodiment of the present invention.

Icon: 101-a baffle; 102-a flue gas inlet; 103-a flue gas outlet; 104-a baffle plate; 105-a first annular base plate; 106-a first annular sidewall; 107-second annular base plate; 108-a second annular sidewall; 109-annular baffle; 110-a burner; 111-a first leg; 112-second leg.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to 4, the present embodiment provides an energy collecting disc, which includes an energy collecting disc body and a flow guide plate 101, wherein a smoke inlet 102 is arranged on an inner annular surface of the energy collecting disc body, a smoke outlet 103 is arranged on an outer annular surface of the energy collecting disc body, and the smoke inlet 102 is communicated with the smoke outlet 103; the energy-gathering disk body is provided with an inner cavity, a baffle plate 104 is arranged in the inner cavity, and the baffle plate 104 is positioned between the smoke inlet 102 and the smoke outlet 103; the guide plate 101 is fixedly connected with the energy-gathering disk body, and the guide plate 101 is positioned above the smoke inlet 102.

Based on the structure, the energy-gathering disk provided by the embodiment is used, the energy-gathering disk is placed on the periphery of the combustor 110, a pot is placed on the energy-gathering disk, high-temperature smoke generated by combustion rises, most of the high-temperature smoke enters the inner cavity from the smoke inlet 102 and flows along the baffle plate 104 under the flow guiding effect of the guide plate 101, and then the high-temperature smoke is discharged from the smoke outlet 103, so that the retention time of the smoke in the inner cavity is prolonged, the heat exchange quantity of the high-temperature smoke and the energy-gathering disk is increased, the bottom of the pot is heated by effectively utilizing the heat conduction of the energy-gathering disk, and the heat loss is reduced.

In this embodiment, referring to fig. 2 and 3, the energy-collecting disk body includes an upper disk and a lower disk, the upper disk includes a first annular bottom plate 105 and a first annular side wall 106 extending upward from an outer annular edge of the first annular bottom plate 105, and an upper edge of the first annular side wall 106 is fixedly connected to a lower surface of the baffle 101; the lower-layer disc comprises a second annular bottom plate 107 and a second annular side wall 108 extending upwards from the outer annular edge of the second annular bottom plate 107, the upper edge of the second annular side wall 108 is fixedly connected with the lower surface of the guide plate 101, the inner annular edge of the second annular bottom plate 107 is fixedly connected with the inner annular edge of the first annular bottom plate 105, and the upper-layer disc, the lower-layer disc and the guide plate 101 enclose to form an inner cavity; the flue gas inlet 102 is located in the first annular side wall 106 and the flue gas outlet 103 is located in the second annular side wall 108.

Alternatively, the upper edge of the first annular sidewall 106 is welded to the lower surface of the baffle 101 and the upper edge of the second annular sidewall 108 is welded to the lower surface of the baffle 101.

Optionally, the second annular bottom plate 107 is in a hollow circular truncated cone shape with openings at two ends, the diameter of an inner ring of the second annular bottom plate 107 is smaller than the diameter of an outer ring of the second annular bottom plate 107, the inner ring edge of the second annular bottom plate 107 is bent towards the direction close to the second annular side wall 108 to form a flange, and the inner ring edge of the first annular bottom plate 105 is welded or abutted to the bent position.

In this embodiment, the flue gas inlet 102 is located above the flue gas outlet 103, that is, the distance between the flue gas inlet 102 and the guide plate 101 is smaller than the distance between the flue gas outlet 103 and the guide plate 101, and such a manner can ensure that the contact area between the high-temperature flue gas and the upper tray and the lower tray is larger, thereby increasing the heat exchange amount between the high-temperature flue gas and the energy-collecting tray, and reducing the heat loss.

In this embodiment, the deflector 101 is an annular plate, and the plate surface of the deflector 101 is perpendicular to the axis of the energy collecting disc. The inner ring diameter of the baffle 101 is larger than the inner ring diameter of the second annular base plate 107.

Optionally, the angle of inclination of the first annular sidewall 106 and the second annular sidewall 108 is substantially the same.

In this embodiment, the baffle plate 104 is a tubular structure, and the axis of the baffle plate 104 coincides with the axis of the energy-gathering disk body; referring to fig. 2, the tube diameter of the tubular structure gradually decreases from the end of the tubular structure close to the baffle 101 to the end far away from the baffle 101.

In a possible design, one end of the baffle plate 104 is fixedly connected with the lower surface of the baffle plate 101, and the other end of the baffle plate 104 is arranged with a gap from the upper surface of the bottom plate of the energy collecting disc body.

Optionally, one end of the baffle plate 104 is welded to the lower surface of the baffle plate 101, and a gap is formed between the other end of the baffle plate 104 and the upper surface of the second annular bottom plate 107, so that high-temperature flue gas entering the inner cavity from the flue gas inlet 102 can flow through the gap and then be discharged from the flue gas outlet 103, the retention time of the high-temperature flue gas in the inner cavity is prolonged, heat exchange between the high-temperature flue gas and the energy collecting plate is sufficient, and heat loss is reduced.

In another possible design, one end of the baffle plate 104 is fixedly connected with the bottom plate of the energy-collecting disc body, and the other end of the baffle plate 104 is arranged in a gap with the lower surface of the baffle plate 101.

Optionally, one end of the baffle plate 104 is welded to the upper surface of the second annular bottom plate 107, and a gap is formed between the other end of the baffle plate 104 and the lower surface of the baffle plate 101, at this time, the center line of the flue gas inlet 102 may be located below the end face of the other end of the baffle plate 104, so as to avoid heat loss caused by directly discharging high-temperature flue gas entering the inner cavity from the flue gas inlet 102 through the gap.

Further, the number of the baffle plates 104 is multiple, the baffle plates 104 are arranged at intervals along the radial direction of the energy collecting disc body, and in two adjacent baffle plates 104, one baffle plate 104 is fixedly connected with the lower surface of the baffle plate 101, and the other baffle plate 104 is fixedly connected with the upper surface of the second annular bottom plate 107.

In this embodiment, the number of the baffle plates 104 is two, the upper end of the baffle plate 104 close to the first annular side wall 106 is welded to the lower surface of the baffle plate 101, and the lower end of the baffle plate is arranged in a gap with the upper surface of the second annular bottom plate 107; the lower end of the baffle plate 104 far away from the first annular side wall 106 is welded with the upper surface of the second annular bottom plate 107, and the upper end of the baffle plate is arranged in a clearance with the lower surface of the baffle plate 101. Referring to fig. 3, the direction of the arrow in fig. 3 indicates the flow direction of the high-temperature flue gas, the two baffles 104 divide the inner cavity into three heat exchange channels, and the high-temperature flue gas enters from the flue gas inlet 102, sequentially flows through the three heat exchange channels, and is discharged from the flue gas outlet 103.

Further, the energy collecting disc also comprises an annular baffle plate 109, the inner edge of the annular baffle plate 109 is fixedly connected with the outer annular surface of the energy collecting disc body, and the annular baffle plate 109 is positioned below the smoke outlet 103.

In this embodiment, the inner annular edge of the annular baffle 109 is welded to the outer surface of the second annular sidewall 108.

The annular baffle 109 is heated again from exhanst gas outlet 103 exhaust flue gas, reduces the flue gas and to the loss of outside cold air heat exchange, utilizes annular baffle 109 self heat-conduction, plays the preheating function to the secondary air of lower floor's dish bottom, and the heat of make full use of high temperature flue gas further increases the thermal efficiency. Meanwhile, the annular baffle 109 can shield the downward movement path of the flue gas from the flue gas outlet 103, so that the impact of the flue gas on the supplement of the secondary air is reduced, the smooth supplement of the secondary air is ensured, and the stability of the combustor 110 is improved.

Furthermore, the number of the flue gas inlets 102 is multiple, and the plurality of flue gas inlets 102 are uniformly arranged along the inner ring surface of the energy-gathering disk body at intervals; the number of the smoke outlets 103 is multiple, and the smoke outlets 103 are uniformly arranged along the outer annular surface of the energy gathering disc body at intervals.

The energy concentrating plate provided by the embodiment further comprises a first supporting leg 111 and a second supporting leg 112, the first supporting leg 111 is welded with the lower plate, and the first supporting leg 111 is used for arranging the energy concentrating plate on the periphery of the combustor 110; the second supporting leg 112 is welded with the guide plate 101 for supporting the pot.

The embodiment also provides a cooker which comprises the energy collecting disc provided by the embodiment.

The cooking utensil provided by the embodiment can increase the heat exchange amount of high-temperature flue gas and the energy-gathering plate due to the energy-gathering plate provided by the embodiment, effectively utilizes the heat conduction of the energy-gathering plate to heat the bottom of the cooking utensil, reduces the heat loss and improves the heat efficiency of the cooking utensil.

Further, referring to fig. 4, the cooker further comprises a burner 110, and a gap is arranged between the circumferential surface of the burner 110 and the inner ring surface of the energy collecting disc body.

In fig. 4, the solid arrow direction indicates the flow direction of the high-temperature flue gas, the dotted arrow direction indicates the flow direction of the secondary air, and the secondary air enters from the gap between the circumferential surface of the burner 110 and the inner annular surface of the energy collecting disc body and is mixed with the fuel gas, thereby improving the heat efficiency.

Example two

Referring to fig. 5 to 7, the present embodiment also provides a power collecting disc, which is an improvement on the first embodiment, and the technical solution of the first embodiment also belongs to the first embodiment, and will not be described again here. The same reference numerals are used for the same components as in the first embodiment, and reference is made to the description of the first embodiment.

In this embodiment, the baffle plate 104 is an annular plate-shaped structure, and the axis of the baffle plate 104 coincides with the axis of the energy-collecting disc body; the annular inner side edge of the baffle plate 104 is fixedly connected with the inner annular surface of the energy-gathering disc body, the annular outer side edge of the baffle plate 104 is arranged in a clearance mode with the outer annular surface of the energy-gathering disc body, or the annular inner side edge of the baffle plate 104 is fixedly connected with the outer annular surface of the energy-gathering disc body, and the annular outer side edge of the baffle plate 104 is arranged in a clearance mode with the inner annular surface of the energy-gathering disc body.

Optionally, the face of the baffle 104 is perpendicular to the axis of the concentrator disk body.

In a possible design, the annular inner side edge of the baffle plate 104 is welded with the first annular side wall 106, and a gap is formed between the annular outer side edge of the baffle plate 104 and the inner surface of the second annular side wall 108, so that high-temperature flue gas entering the inner cavity from the flue gas inlet 102 can flow through the gap and then is discharged from the flue gas outlet 103, the retention time of the high-temperature flue gas in the inner cavity is prolonged, the heat exchange between the high-temperature flue gas and the energy collecting disc is more sufficient, and the heat loss is reduced.

In another possible design, the annular inner side of the baffle 104 is welded to the second annular sidewall 108, with a gap between the annular outer side of the baffle 104 and the inner surface of the first annular sidewall 106.

Further, the number of the baffle plates 104 is multiple, the baffle plates 104 are arranged at intervals along the axial direction of the energy-gathering disk body, in two adjacent baffle plates 104, the annular inner side edge of one baffle plate 104 is fixedly connected with the inner annular surface of the energy-gathering disk body, and the annular inner side edge of the other baffle plate 104 is fixedly connected with the outer annular surface of the energy-gathering disk body.

In this embodiment, the number of baffles 104 is three. The annular inner side edges of the baffle plate 104 close to the flue gas inlet 102 and the baffle plate 104 far away from the flue gas inlet 102 are welded with a first annular side wall 106, and the annular outer side edges of the baffle plate and the inner surface of a second annular side wall 108 are arranged in a clearance mode; the annular outer side of the intermediate baffle 104 is welded to the second annular sidewall 108 with the annular inner side thereof spaced from the inner surface of the first annular sidewall 106.

Referring to fig. 6, the arrow direction in fig. 6 indicates the flow direction of the high-temperature flue gas, the three baffle plates 104 divide the inner cavity into four heat exchange channels, after the high-temperature flue gas enters from the flue gas inlet 102 and sequentially flows through the three heat exchange channels, most of the flue gas is discharged from the flue gas outlet 103, and a small part of the flue gas exists in the heat exchange channels at the bottom of the lower tray and is finally discharged from the flue gas outlet 103.

The embodiment also provides a cooker which comprises the energy collecting disc provided by the embodiment.

The cooking utensils that this embodiment provided, owing to used the energy-gathering dish that this embodiment provided, can increase the heat transfer volume of high temperature flue gas and energy-gathering dish, effectively utilize the heat-conduction heating bottom of pan of energy-gathering dish, reduced the heat loss, improved the thermal efficiency of cooking utensils.

Further, referring to fig. 7, the cooker further comprises a burner 110, and a gap is arranged between the circumferential surface of the burner 110 and the inner ring surface of the energy collecting disc body.

In fig. 7, the solid arrow direction indicates the flow direction of the high-temperature flue gas, the dotted arrow direction indicates the flow direction of the secondary air, and the secondary air enters from the gap between the circumferential surface of the burner 110 and the inner annular surface of the energy collecting disc body and is mixed with the fuel gas, thereby improving the heat efficiency.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The energy-gathering disc is characterized by comprising an energy-gathering disc body and a guide plate (101), wherein a smoke inlet (102) is formed in the inner ring surface of the energy-gathering disc body, a smoke outlet (103) is formed in the outer ring surface of the energy-gathering disc body, and the smoke inlet (102) is communicated with the smoke outlet (103); the energy-gathering disc body is provided with an inner cavity, a baffle plate (104) is arranged in the inner cavity, and the baffle plate (104) is positioned between the smoke inlet (102) and the smoke outlet (103); the guide plate (101) is fixedly connected with the energy-gathering disk body, and the guide plate (101) is located above the smoke inlet (102).

2. The energy concentrating disk of claim 1, wherein the baffle (104) is a tubular structure, and an axis of the baffle (104) coincides with an axis of the energy concentrating disk body; one end of the baffle plate (104) is fixedly connected with the lower surface of the guide plate (101), the other end of the baffle plate (104) is arranged in a gap mode with the upper surface of the bottom plate of the energy-gathering plate body, or one end of the baffle plate (104) is fixedly connected with the bottom plate of the energy-gathering plate body, and the other end of the baffle plate (104) is arranged in a gap mode with the lower surface of the guide plate (101).

3. The energy-gathering disk as claimed in claim 2, wherein the number of the baffle plates (104) is multiple, the baffle plates (104) are arranged at intervals along the radial direction of the energy-gathering disk body, and of two adjacent baffle plates (104), one baffle plate (104) is fixedly connected with the lower surface of the baffle plate (101), and the other baffle plate (104) is fixedly connected with the bottom plate of the energy-gathering disk body.

4. The energy concentrating disk of claim 1, wherein the baffle (104) is an annular plate-like structure, and an axis of the baffle (104) coincides with an axis of the energy concentrating disk body; the annular inner side edge of the baffle plate (104) is fixedly connected with the inner annular surface of the energy-gathering disc body, the annular outer side edge of the baffle plate (104) is arranged in a clearance mode with the outer annular surface of the energy-gathering disc body, or the annular inner side edge of the baffle plate (104) is fixedly connected with the outer annular surface of the energy-gathering disc body, and the annular outer side edge of the baffle plate (104) is arranged in a clearance mode with the inner annular surface of the energy-gathering disc body.

5. The energy-gathering disk as claimed in claim 4, wherein the number of the baffle plates (104) is multiple, the baffle plates (104) are arranged at intervals along the axial direction of the energy-gathering disk body, and of two adjacent baffle plates (104), the annular inner side edge of one baffle plate (104) is fixedly connected with the inner annular surface of the energy-gathering disk body, and the annular inner side edge of the other baffle plate (104) is fixedly connected with the outer annular surface of the energy-gathering disk body.

6. The energy concentrating disk according to any one of claims 1 to 5, further comprising an annular baffle (109), wherein an inner edge of the annular baffle (109) is fixedly connected with an outer annular surface of the energy concentrating disk body, and the annular baffle (109) is located below the flue gas outlet (103).

7. The energy concentrating disk according to any one of claims 1 to 5, wherein the energy concentrating disk body comprises an upper disk and a lower disk, the upper disk comprises a first annular bottom plate (105) and a first annular side wall (106) extending upwards from an outer annular edge of the first annular bottom plate (105), and an upper edge of the first annular side wall (106) is fixedly connected with a lower surface of the deflector plate (101); the lower-layer disc comprises a second annular bottom plate (107) and a second annular side wall (108) extending upwards from the outer annular edge of the second annular bottom plate (107), the upper edge of the second annular side wall (108) is fixedly connected with the lower surface of the guide plate (101), the inner annular edge of the second annular bottom plate (107) is fixedly connected with the inner annular edge of the first annular bottom plate (105), and the upper-layer disc, the lower-layer disc and the guide plate (101) enclose to form the inner cavity; the flue gas inlet (102) is located in the first annular side wall (106) and the flue gas outlet (103) is located in the second annular side wall (108).

8. The energy concentrating disk according to any one of claims 1 to 5, wherein the number of the flue gas inlets (102) is multiple, and the multiple flue gas inlets (102) are uniformly spaced along the inner annular surface of the energy concentrating disk body; the number of the smoke outlets (103) is multiple, and the smoke outlets (103) are uniformly arranged at intervals along the outer annular surface of the energy-gathering disk body.

9. Hob, characterized in that it comprises a concentrator disk according to any of claims 1 to 8.

10. Hob according to claim 9, further comprising a burner (110), wherein a circumferential surface of the burner (110) is arranged with a clearance to an inner annular surface of the concentrator disc body.

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