CN117628549A

CN117628549A - Energy-collecting pot rack and gas cooker with same

Info

Publication number: CN117628549A
Application number: CN202210992634.4A
Authority: CN
Inventors: 刘涛; 王志江; 沈文盟; 邹宇辉; 丁颜伟
Original assignee: Zhejiang Supor Kitchen and Bathroom Electrical Appliance Co Ltd
Current assignee: Zhejiang Supor Kitchen and Bathroom Electrical Appliance Co Ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2024-03-01

Abstract

The invention provides an energy-gathering pot rack and a gas cooker with the same. The energy-collecting pot frame encloses a combustion chamber, the energy-collecting pot frame comprises a pot-sitting surface positioned at the top of the energy-collecting pot frame and a placement surface positioned at the bottom of the energy-collecting pot frame, the pot-sitting surface continuously extends around the combustion chamber in a first plane, the placement surface continuously extends around the combustion chamber in a second plane, a smoke exhaust channel and an air inlet channel are arranged in the energy-collecting pot frame, a smoke inlet of the smoke exhaust channel is communicated with the combustion chamber and the smoke exhaust port is communicated with the external environment, an air inlet of the air inlet channel is communicated with the external environment, and an air outlet of the air inlet channel is communicated with the combustion chamber; the energy-collecting pot rack is also provided with a heat exchanger which is thermally coupled between the air inlet channel and the smoke exhaust channel. In this scheme, the heat of the high temperature flue gas in the smoke exhaust channel can be transferred to the air in the air inlet channel through the heat exchanger, so that the temperature of the air entering the air inlet channel is increased. The air with the temperature increased enters the combustion chamber to participate in combustion, so that the combustion efficiency is enhanced, the flame temperature is improved, and the heat rising efficiency is higher.

Description

Energy-collecting pot rack and gas cooker with same

Technical Field

The invention relates to the technical field of gas appliances, in particular to an energy-gathering pot rack and a gas cooker with the same.

Background

With the development of society, as a necessary cooking utensil in modern families, the use demands of users on the cooking utensil are gradually improved, and how to improve the heating efficiency of the gas stove becomes a problem to be solved urgently.

Part of gas cookers on the market solve the problem by arranging an energy-collecting pot rack. The energy accumulating pot rack usually comprises a single-layer energy accumulating disc or a double-layer energy accumulating disc, is annular and is arranged around a combustion chamber of the gas cooker.

The energy-collecting pot rack can reduce part of heat radiation. However, both the single-layer energy-gathering disk and the double-layer energy-gathering disk only ensure local sealing. The high-temperature flue gas in the combustion chamber overflows from the smoke outlet at the upper part of the energy-collecting pot frame, so that the high-temperature flue gas cannot be recycled, heat loss is caused, and the heat rising efficiency is low.

Disclosure of Invention

In order to at least partially solve the problems of the prior art, according to one aspect of the present invention, an energy harvesting pot holder is provided. The energy-collecting pot frame encloses a combustion chamber, the energy-collecting pot frame comprises a pot-sitting surface positioned at the top of the energy-collecting pot frame and a placement surface positioned at the bottom of the energy-collecting pot frame, the pot-sitting surface continuously extends around the combustion chamber in a first plane, the placement surface continuously extends around the combustion chamber in a second plane, a smoke exhaust channel and an air inlet channel are arranged in the energy-collecting pot frame, a smoke inlet of the smoke exhaust channel is communicated with the combustion chamber and the smoke exhaust port is communicated with the external environment, an air inlet of the air inlet channel is communicated with the external environment, and an air outlet of the air inlet channel is communicated with the combustion chamber; the energy-collecting pot rack is also provided with a heat exchanger which is thermally coupled between the air inlet channel and the smoke exhaust channel.

According to the energy-collecting pot rack, the sitting pot surface extending continuously in the first plane can ensure that the top of the energy-collecting pot rack is tightly attached to the bottom surface of the pot body, and the pot body can cover the combustion chamber from the upper part. The energy-collecting pot rack can be arranged on the gas cooker, and the arranging surface can be arranged on the upper surface of a panel of the gas cooker. The arrangement surface which extends continuously in the second plane can ensure that the bottom of the energy-collecting pot rack is tightly attached to the gas cooker so as to cover the combustion chamber from below. Therefore, the sealing effect is ensured at the top and the bottom of the energy-collecting pot rack, a closed combustion chamber is formed, flame or smoke is prevented from overflowing from the combustion chamber, and the condition of scalding a user is avoided. The flue gas of high temperature can gather in the inside of combustion chamber better, and heat loss is less, and heat efficiency is higher. The heat of the high-temperature flue gas in the smoke exhaust channel can be transferred to the air in the air inlet channel through the heat exchanger, so that the temperature of the air entering the air inlet channel is increased, and the air is preheated to a certain degree. The preheated air enters the combustion chamber to participate in combustion, so that the combustion efficiency is enhanced, the flame temperature is improved, and the heat rising efficiency is higher. And the high-temperature flue gas generated by combustion is utilized to preheat the introduced air, the high-temperature flue gas is reused, the heating efficiency can be improved without additional energy consumption, and the energy-saving effect is better.

Illustratively, the heat exchanger is disposed within one of the intake passage and the exhaust passage, the other of the intake passage and the exhaust passage having a heat exchange section extending into the heat exchanger. This arrangement can ensure heat exchange efficiency to a greater extent. Furthermore, the heat exchanger is arranged in one of the air inlet passage and the smoke exhaust passage, so that the structure can be simplified, and the space utilization rate can be improved. In the case of a certain space, a larger heat exchanger may also be provided to increase the heat exchange efficiency.

Illustratively, the energy harvesting pot rack includes an outer disc assembly comprising: a first tray; the second tray body is connected to the first tray body, the first tray body and the second tray body are surrounded to form a smoke discharging cavity, the heat exchanger is arranged in the smoke discharging cavity, and the smoke discharging cavity forms a part of a smoke discharging channel; and the third disc body is connected with the second disc body, the third disc body and the second disc body are encircled to form an air inlet cavity, and the air inlet cavity forms a part of the air inlet channel. Like this, can form mutually independent chamber of discharging fume and chamber of admitting air between first disk body, second disk body and third disk body, the structure sets up more rationally. And the air inlet cavity and the smoke exhaust cavity are contacted with the second tray body, and part of heat exchange can be carried out on the second tray body, so that the heat exchange efficiency is further improved.

Illustratively, a heat exchange channel is disposed within the heat exchanger, the heat exchange channel forming a portion of the air intake channel, an air outlet of the heat exchange channel being connected to the air intake chamber. Thus, the air flowing into the heat exchange channel sequentially passes through the heat exchange channel, the air outlet and the air inlet cavity and is finally conveyed into the combustion chamber, so that the heat exchange efficiency is ensured.

Illustratively, the first tray is located above the second tray, the smoke inlet of the smoke exhaust channel and the pan seat are both disposed on the first tray, and the pan seat encloses the smoke inlet of the smoke exhaust channel. The high-temperature flue gas after combustion can rise upwards, the flue gas inlet is positioned above the smoke discharging cavity, and the high-temperature flue gas is easy to collect at the flue gas inlet. The high-temperature flue gas gathers in the position that is close to the top of gathering can pot holder, because the seat pan face extends in succession around the combustion chamber, forms certain sealed effect at gathering can pot holder top, can form higher atmospheric pressure at gathering can pot holder's top. The high-temperature flue gas can enter the smoke discharging cavity with relatively small air pressure through the smoke inlet, so that the efficiency of the high-temperature flue gas flowing into the smoke discharging cavity can be better ensured.

Illustratively, the first tray includes an upwardly projecting annular bead, the top of the annular bead forming the pan surface. Therefore, the linear seal can be formed between the first tray body and the pan body, so that the requirements on the flatness of the pan body and the flatness of the pan seat surface are lower, the processing cost can be reduced, and the sealing effect can be ensured. Moreover, when the energy-collecting pot rack is used, the pot body is arranged on the first disc body, the contact area between the first disc body and the pot body can be better reduced due to the arrangement of the upward protruding annular convex ribs, the contact area with the pot body is reduced, and the direct conduction of heat is reduced. In general, the temperature of the energy-collecting pot rack is lower than that of the combustion chamber, and the reduction of the contact area between the energy-collecting pot rack and the pot body means that the contact area between the combustion chamber and the pot body can be increased, so that the heat rising efficiency of the pot body can be improved.

The first disc body further comprises a first annular step surface and a first circular table surface, the first annular step surface is located on the radial inner side of the annular convex rib and is lower than the annular convex rib, the first circular table surface is connected between the first annular step surface and the annular convex rib, the first circular table surface is connected to the annular convex rib in an upward direction and a radial outer direction from the first annular step surface in an inclined mode, a plurality of first through holes distributed in a scattered mode around the combustion chamber are arranged on the first annular step surface, and the plurality of first through holes form smoke inlets of the smoke discharging channel. The high-temperature flue gas generated by combustion in the combustion chamber gradually gathers at the top of the first disc body, and the arrangement of the first round table surface enables the area of the enclosed cavity on the inner side of the first disc body to be larger, so that the contact area between the high-temperature flue gas gathered at the top of the first disc body and the pot body is larger, more heat exchange is generated, and the heat utilization rate is improved. And, because the slope of first round platform face sets up, has certain water conservancy diversion effect to high temperature flue gas for by the high temperature flue gas of combustion chamber outflow can form certain heat reflux in the space between first round platform face, first annular step face and the pot body, make the high temperature flue gas dwell time in this space longer, further guarantee thermal utilization ratio.

The third disc is located below the second disc, and the air outlet of the air inlet channel is formed in the third disc. Thus, the air flows between the third tray and the second tray after being heated and preheated by the heat exchanger, and flows into the combustion chamber through the air outlet positioned on the third tray. The air outlet is arranged on the third disk body positioned below, on one hand, although the air entering the combustion chamber is preheated, the temperature of the air is lower than that of high-temperature flue gas, the air outlet does not interfere with the flue gas flow, and the air circulation efficiency is ensured; on the other hand, the air inlet of the burner is arranged at the lower part of the combustion head, and air is easier to enter the combustion head after entering the combustion chamber from the air outlet.

Illustratively, the third tray includes: a third tray bottom having an inner edge facing the combustion chamber; and the third flanging is bent upwards from the inner edge of the third disc bottom, the bottom surface of the second disc body is connected to the third flanging, a plurality of third through holes distributed around the combustion chamber in a dispersed manner are formed in the third circular table surface, the third through holes are communicated with the air inlet cavity, and the third through holes form air outlets of the air inlet channel. In this way, an air inlet cavity is formed below the second disc body, and air entering the air inlet cavity enters the combustion chamber through the third through hole to participate in combustion. The air inlet cavity has a certain buffering effect on air, and the third through holes distributed in a dispersing mode can ensure that the air enters the combustion chamber more uniformly to participate in combustion, and the process is smoother.

Illustratively, the third flange extends obliquely upward and radially inward from an inner edge of the third disc bottom. The third flanging has a certain guiding effect on air in the air inlet cavity, the air enters the combustion chamber at a downward inclined angle, the bottom of the combustion chamber can be better filled, the air enters the air inlet of the combustion head, the phenomenon that combustion air is insufficient at the bottom of the combustion chamber is prevented, and the combustion efficiency is ensured.

The third tray body further includes a third side wall, a lower end of the third side wall is connected to an outer edge of the third tray bottom, the second tray body includes a second tray bottom, a second side wall, and a second flange, a lower end of the second side wall is connected to an outer edge of the second tray bottom, the second flange extends from an upper end of the second side wall toward an outside of the combustion chamber, the second flange is connected to the third side wall, the second side wall is spaced apart from the third side wall, and the heat exchanger is located inside of the second side wall. Therefore, the cavity between the second side wall and the third side wall can perform heat insulation function on the heat exchanger, heat loss caused by outward transfer of heat along the lateral direction is avoided, and the phenomenon that the outer side surface of the energy-collecting pot frame is too high in temperature to bake surrounding objects can be avoided. The third disc body and the second disc body can surround to form the air inlet cavity, and the volume of the air inlet cavity can be further enlarged due to the arrangement of the second side wall and the third side wall at intervals. And, the air after preheating enters into the air inlet cavity, and part enters into the space between the second side wall and the third side wall and forms backflow, so that the residence time of the air in the air inlet cavity is further increased. The heat exchanger is arranged on the inner side of the second side wall, namely the temperature of the second side wall is higher, so that air in the air inlet cavity can be heated, and the heat exchange efficiency is further ensured.

The second disk protrudes from the third disk in a direction toward the combustion chamber. Whereby steps can be formed at the inner edges of the second and third trays. The step can guide and block air entering the combustion chamber from the third through hole below the step, so that the upward flow of the air is reduced to be mixed with high-temperature flue gas, and the air entering the combustion chamber can fully participate in combustion.

Illustratively, the energy-gathering pot holder further comprises an inner disk, the inner disk is connected to one side of the outer disk assembly facing the combustion chamber, the upper edge of the inner disk is located above the smoke inlet of the smoke exhaust channel, and the projection of the upper edge of the inner disk in the horizontal plane covers the smoke inlet of the smoke exhaust channel. The arrangement of the inner disc can lead the smoke inlet and the combustion chamber to be at a certain interval, so that high-temperature smoke in the combustion chamber is prevented from directly flowing into the smoke inlet. The high-temperature flue gas can flow through the inner disc and enter the space between the inner disc and the outer disc assembly, and as the projection of the upper edge of the inner disc in the horizontal plane covers the smoke exhaust channel, the high-temperature flue gas can flow to the smoke inlet after turning at the upper edge of the inner disc, so that the residence time of the high-temperature flue gas in the space can be prolonged. Therefore, the space and the bottom surface of the pot body contacted with the space have higher heat exchange efficiency, and the energy collecting effect of the energy collecting pot frame is better. Moreover, the upper edge of the inner tray can also play a role in shielding the smoke inlet when being seen from the upper side, so that foreign matters can be prevented from falling into the smoke inlet under the condition that the pot body is not seated on the energy-collecting pot frame, and a certain attractive effect can be achieved.

Illustratively, the inner tray has an insulating cavity formed therein, or the inner tray encloses with the outer tray assembly to form an insulating cavity. Therefore, the heat insulation cavity can better play a role in heat insulation of the combustion chamber, heat loss in the combustion chamber is reduced, and energy gathering effect of the energy gathering pot frame is further guaranteed.

Illustratively, the inner disc comprises: an inner disk inner side wall facing the combustion chamber, the lower end of the inner disk inner side wall being connected to the second disk body; the inner edge of the first inner disc flanging is connected to the upper end of the inner side wall of the inner disc; the outer edge of the second inner disc flanging is connected to the outer edge of the first inner disc flanging, and the first inner disc flanging and the second inner disc flanging form the upper edge of the inner disc; and the upper end of the outer side wall of the inner disk is connected to the inner edge of the flanging of the second inner disk, the lower end of the outer side wall of the inner disk is connected to the first disk body, and the outer side wall of the inner disk is spaced from the inner side wall of the inner disk. Like this, space between inner disc inside wall, first inner disc turn-ups, second inner disc turn-ups and the inner disc lateral wall plays thermal-insulated heat retaining effect to the combustion chamber, guarantees the energy gathering effect of gathering energy pot frame.

Illustratively, at least an upper portion of the inner disc inner sidewall and/or the inner disc outer sidewall extends obliquely upward and toward the outside of the combustion chamber. Therefore, the combustion chamber can be ensured to be outward-expanded from bottom to top, so that the contact area between the combustion chamber and the pot body is larger, and the heat exchange efficiency is improved. And moreover, the arrangement of outwards extending towards the outer side of the combustion chamber can play a role in guiding high-temperature flue gas, so that the high-temperature flue gas can better flow to the outer side of the combustion chamber, the outer side can also have higher temperature, and the heating efficiency is ensured.

The heat exchanger comprises a heat exchanger body made of an energy storage material and a heat exchange tube arranged in the heat exchanger body, the heat exchange tube forming a heat exchange section. The energy storage material can store heat energy and release the stored heat energy, so that the heat exchange effect is ensured.

Illustratively, the heat exchanger includes a heat exchange tube and a plurality of fins disposed on an outer sidewall of the heat exchange tube, the heat exchange tube forming a heat exchange section. The fins are usually metal sheets with good heat conductivity, absorb heat of high-temperature flue gas in the smoke exhaust channel, and release heat energy when contacting with air with low temperature in the air inlet channel so as to raise the temperature of the air. Higher temperature air enters the combustion chamber to improve combustion efficiency.

Illustratively, the heat exchange tube surrounds more than half of the circumference of the combustion chamber. Therefore, the contact time between the air in the heat exchange tube and the heat exchanger is longer, so that a better heat exchange effect is ensured, and the air is preheated better.

The outer contour of the energy-collecting pot holder is square, and the smoke outlet of the smoke discharging channel and the air inlet of the air inlet channel extend along the vertical direction and are arranged at the corners of the square. Because exhaust gas of the exhaust port is the exhaust gas after combustion, the carbon dioxide amount is higher, and the air inlet and the exhaust port are arranged at square corners at intervals, so that the exhaust gas after combustion can be prevented from flowing into the air inlet after being exhausted from the air inlet, and the combustion efficiency is ensured.

Illustratively, the bottom of the energy-gathering pot holder is provided with at least one circle of downward convex lower ribs, the lower ribs surround the combustion chamber, and the bottoms of the lower ribs form a mounting surface. When the energy-collecting pot frame is used, the bottom of the energy-collecting pot frame can be propped against the gas cooker, and the placement surface is directly contacted with the gas cooker, so that the lower convex rib is in line contact with the panel. The arrangement of the lower convex ribs can reduce the contact area between the energy-collecting pot frame and the gas cooker, reduce heat conduction and avoid overhigh temperature of the panel. Moreover, the line contact has lower requirement on the processing precision of the flatness of the mounting surface, and a good sealing effect can be formed between the lower convex rib and the panel. By way of example and not limitation, the lower ribs may be provided in an inner and an outer layer to further improve the seal between the mounting surface and the gas cooker, ensuring the energy gathering effect of the energy gathering pot holder.

According to another aspect of the present invention, there is also provided a gas cooker. The gas cooker comprises a panel, wherein the energy-collecting pot rack is arranged on the panel; and a burner, a combustion head of the burner passing through the panel and extending into the combustion chamber. Therefore, the gas cooker with higher combustion efficiency and better energy gathering effect needs less fuel and saves more energy when the same heating effect is achieved.

Illustratively, the gas cooktop also includes an air replenishment assembly in communication with the air inlet of the air intake passage for replenishing air into the combustion chamber. The air supply assembly can ensure the air inlet efficiency of the gas cooker, and further ensure the combustion efficiency of the gas cooker.

Illustratively, the gas cooker further comprises a smoke collecting and placing component, wherein the smoke collecting and placing component is communicated with a smoke outlet of the smoke discharging channel and is used for discharging smoke in the combustion chamber, and the discharge outlet of the smoke collecting and placing component is positioned at the rear part of the panel. Thus, the high-temperature flue gas is discharged from the discharge port, and the discharge port is positioned at the rear part of the panel and far away from a user, so that the condition that the discharged high-temperature flue gas scalds the user can be avoided.

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description section. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

Advantages and features of the invention are described in detail below with reference to the accompanying drawings.

Drawings

The following drawings are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification. Embodiments of the present invention and their description are shown in the drawings to explain the principles of the invention. In the drawings of which there are shown,

FIG. 1a is a perspective view of a gas cooktop according to an exemplary embodiment of the invention;

FIG. 1b is an exploded view of a gas cooker according to an exemplary embodiment of the invention;

FIG. 2 is an exploded view of an energy harvesting cooker rack according to an exemplary embodiment of the invention;

FIG. 3 is a cross-sectional view of a energy harvesting cooker rack according to an exemplary embodiment of the invention;

FIG. 4 is a cross-sectional view of an energy harvesting cooker rack according to an exemplary embodiment of the invention, from another perspective;

FIG. 5 is a cross-sectional view of a portion of the structure of a energy concentrating pan support and a gas cooker according to an exemplary embodiment of the invention, wherein arrows schematically indicate the direction of air flow;

FIG. 6 is a cross-sectional view of a portion of the structure of a portion of a gas cooker of a energy concentrating pan carrier according to an exemplary embodiment of the invention, wherein the arrows schematically indicate the direction of flue gas flow;

FIG. 7a is a perspective view of a energy harvesting cooker rack according to an exemplary embodiment of the invention, viewed from the upper side;

FIG. 7b is a perspective view from the underside of an energy harvesting cooker rack according to an exemplary embodiment of the invention;

FIG. 8 is an exploded view of a energy harvesting cooker rack according to an exemplary embodiment of the invention;

FIG. 9 is a cross-sectional view of a energy harvesting cooker rack according to an exemplary embodiment of the invention;

FIG. 10 is a cross-sectional view at another angle of a energy harvesting cooker rack according to an exemplary embodiment of the invention; and

FIG. 11 is a cross-sectional view of a portion of the structure of a gas cooker according to an exemplary embodiment of the invention;

FIG. 12 is a cross-sectional view of a portion of the structure of a gas cooker in accordance with an exemplary embodiment of the invention, with arrows schematically indicating the direction of air flow, at another perspective;

FIG. 13 is a cross-sectional view of a portion of the structure of a gas cooker in accordance with an exemplary embodiment of the invention, from another perspective, wherein arrows schematically indicate the direction of flue gas flow; and

fig. 14 is a cross-sectional view of a flue gas collection assembly according to an exemplary embodiment of the present invention, wherein the arrows schematically indicate the direction of flue gas flow.

Wherein the above figures include the following reference numerals:

10. an energy-gathering pot holder; 100. a combustion chamber; 110. a pan seat; 120. a mounting surface; 130. an air intake passage; 131. an air inlet; 132. an air outlet; 133. an air inlet cavity; 134. a heat exchange channel; 140. a smoke exhaust passage; 141. a smoke inlet; 142. a smoke outlet; 143. a smoke discharging cavity; 200. a heat exchanger; 210. a heat exchange body; 211. a heat exchange tube; 211', heat exchange tubes; 220. a fin; 300. an outer disc assembly; 310. a first tray; 311. annular convex ribs; 312. a first annular step surface; 313. a first circular mesa; 314. a first through hole; 320. a second tray body; 321. a second tray bottom; 322. a second sidewall; 323. a second flanging; 324. a step; 330. a third tray body; 331. a third tray bottom; 332. a third flanging; 333. a third through hole; 334. a third sidewall; 335. a lower convex rib; 400. an inner disk; 410. an inner wall of the inner disk; 420. a first inner disk flanging; 430. a second inner disk flanging; 440. an outer side wall of the inner disc; 20. a gas cooker; 500. a panel; 510. a bottom case; 600. a burner; 610. a combustion head; 620. a left burner; 630. a right burner; 640. a gas valve assembly; 700. a flue gas collection and discharge assembly; 710. a flue gas collecting and placing cover body; 720. a flue gas inlet; 730. a flue gas outlet; 740. a flue gas collecting and discharging fan; 750. a smoke discharging cap; 751. eave; 752. a discharge port; 800. an air supplement assembly; 810. an air supplement cover; 820. an air inlet; 830. an air outlet; 840. an air supplementing fan; 900. and a controller.

Detailed Description

In the following description, numerous details are provided to provide a thorough understanding of the invention. However, it will be understood by those skilled in the art that the following description illustrates preferred embodiments of the invention by way of example only and that the invention may be practiced without one or more of these details. Furthermore, some technical features that are known in the art have not been described in detail in order to avoid obscuring the invention.

In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the present invention. It will be apparent that embodiments of the invention may be practiced without limitation to the specific details that are set forth by those skilled in the art. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments in addition to these detailed descriptions.

According to one aspect of the invention, an energy harvesting pot holder is provided. According to another aspect of the invention, there is also provided a gas cooker using the energy-gathering pot holder. Fig. 1a and 1b illustrate a gas cooker according to an exemplary embodiment of the invention, as shown in fig. 1b, the gas cooker 20 may include a panel 500, a burner 600, and an energy concentrating pan frame 10. The energy harvesting cooker rack 10 may enclose a combustion chamber 100. The gas cooker 20 may also include a flue gas collection assembly 700 and an air make-up assembly 800. The air make-up assembly 800 may be in communication with the combustion chamber 100 for supplementing air into the combustion chamber 100. The smoke stack assembly 700 may be in communication with the combustion chamber 100 for exhausting smoke within the combustion chamber 100.

Referring to fig. 3, 5-6 and 7a-7b in combination, the energy harvesting pot holder 10 includes a sitting pan surface 110 at a top portion thereof and a seating surface 120 at a bottom portion thereof, the sitting pan surface 110 extending continuously around the combustion chamber 100 in a first plane and the seating surface 120 extending continuously around the combustion chamber 100 in a second plane. The energy harvesting cooker rack 10 extends continuously between the pan surface 110 and the seating surface 120 to laterally enclose the combustion chamber 100. Specifically, the first plane in which the pan surface 110 is located and the second plane in which the seating surface 120 is located may be both disposed parallel to the horizontal plane as shown in fig. 3. In an embodiment not shown, both the first plane and the second plane may be inclined at an angle to the horizontal. The first plane and the second plane may also have an angle inclination therebetween. When the energy-collecting pot holder 10 is in use, the pot body can be placed on the energy-collecting pot holder 10, and the bottom surface of the pot body is positioned on the pot-sitting surface 110. The pan seat 110 extending continuously in the first plane can ensure that the top of the energy-collecting pan frame 10 is tightly attached to the bottom of the pan body, and the pan body can cover the combustion chamber 100 from above. The energy accumulating pot holder 10 may be mounted on the gas cooker 20, and the mounting surface 120 may be seated on an upper surface of the panel 500 of the gas cooker 20. The seating surface 120, which extends continuously in the second plane, can ensure that the bottom of the energy accumulating pot holder 10 is closely fitted to the gas cooker 20 to cover the combustion chamber 100 from below. In this way, the sealing effect is ensured at the top and bottom of the energy-gathering pot frame 10, a closed combustion chamber 100 is formed, flame or smoke is prevented from overflowing from the combustion chamber, and the situation of scalding users is avoided. The high temperature flue gas can be better gathered in the interior of the combustion chamber 100, the heat loss is smaller, and the heat rising efficiency is higher. A smoke exhaust channel 140 and an air inlet channel 130 may be disposed in the energy accumulating pot frame 10, a smoke inlet 141 of the smoke exhaust channel 140 is communicated with the combustion chamber 100, a smoke outlet 142 is communicated with the external environment, an air inlet 131 of the air inlet channel 130 is communicated with the external environment, and an air outlet 132 is communicated with the combustion chamber 100. Wherein air from the external environment may enter combustion chamber 100 via intake passage 130 to assist in combustion. Smoke generated by combustion in the combustion chamber 100 is exhausted through the smoke exhaust passage 140. Further, since the flue gas exhausted from the exhaust port 142 is mostly exhaust gas such as carbon dioxide, the air inlet 131 and the exhaust port 142 may be spaced apart from each other by a certain distance, as shown in fig. 7b, in order to ensure the air quality introduced into the energy accumulating pot rack 10. A heat exchanger 200 may also be disposed within the energy harvesting basket 10, the heat exchanger 200 being thermally coupled between the inlet channel 130 and the exhaust channel 140. The heat exchanger 200 may be any device, existing or developed in the future, that ensures that heat exchange between the intake channel 130 and the exhaust channel 140 can be achieved by thermal coupling. In the energy-collecting pot rack in the scheme, the heat of the high-temperature flue gas in the smoke exhaust channel 140 can be transferred to the air in the air inlet channel 130 through the heat exchanger 200, so that the temperature of the air entering the air inlet channel 130 is increased, and the air is preheated to a certain degree. The preheated air enters the combustion chamber 100 to participate in combustion, so that the combustion efficiency is enhanced, the flame temperature is improved, and the heat rising efficiency is higher. And the high-temperature flue gas generated by combustion is utilized to preheat the introduced air, the high-temperature flue gas is reused, the heating efficiency can be improved without additional energy consumption, and the energy-saving effect is better.

Illustratively, the heat exchanger 200 is disposed within one of the intake passage 130 and the exhaust passage 140, the other of the intake passage 130 and the exhaust passage 140 having a heat exchange section extending into the heat exchanger 200. Taking the example that the heat exchanger 200 is arranged in the smoke exhaust channel 140, the contact area between the high-temperature smoke in the smoke exhaust channel 140 and the heat exchanger 200 is larger, so that the heat of the high-temperature smoke can be absorbed better. Because the heat exchange section extends into the heat exchanger 200, the outer surface of the heat exchange section may better contact the heat exchanger 200 to ensure that the air in the intake passage 130 may better warm up through the heat exchange section. This arrangement can ensure heat exchange efficiency to a greater extent. Furthermore, the heat exchanger 200 is provided in one of the intake passage 130 and the exhaust passage 140, which can simplify the structure and improve the space utilization. In case of a certain space, a larger heat exchanger 200 may be provided to improve heat exchange efficiency. The heat exchange principle of the heat exchanger arranged in the air inlet channel is the same as that described above, and the description thereof is omitted here. Of course, the heat exchanger 200 may be disposed outside the intake and exhaust channels 130 and 140, such that heat of the high temperature flue gas in the exhaust channel 140 needs to be transferred to the heat exchanger 200 through the channel walls.

Illustratively, referring to fig. 2 and 3 in combination, the energy harvesting pot rack 10 may include an outer tray assembly 300. The outer tray assembly 300 may include a first tray 310, a second tray 320, and a third tray 330. Wherein the second tray 320 may be connected to the first tray 310. The first tray 310 and the second tray 320 may surround to form a smoke discharging chamber 143, and the heat exchanger 200 may be disposed in the smoke discharging chamber 143. The smoke evacuation chamber 143 may form part of the smoke evacuation channel 140. The third tray 330 may be connected to the second tray 320, the third tray 330 and the second tray 320 may surround to form an intake cavity 133, and the intake cavity 133 may form a part of the intake passage 130. The first, second and third trays 310, 320 and 330 may have upper, middle and lower structures, forming the smoke exhausting chamber 143 and the air inlet chamber 133 disposed up and down. In the embodiment not shown, the first tray, the second tray and the third tray may have structures that are disposed inside, in and outside, one of the smoke discharging cavity and the air intake cavity is located at a position near the inner side of the energy collecting pot frame, and the other is located at a position near the outer side of the energy collecting pot frame, that is, on the section of the energy collecting pot frame, the smoke discharging cavity and the air intake cavity are disposed left and right. In the energy-collecting pot rack 10 in this embodiment, the smoke discharging cavity 143 and the air inlet cavity 133 which are mutually independent can be formed among the first disc body 310, the second disc body 320 and the third disc body 330, so that the structural arrangement is more reasonable. In addition, the air inlet cavity 133 and the smoke exhaust cavity 143 are in contact with the second tray 320, and a part of heat exchange can be performed on the second tray 320, so that the heat exchange efficiency is further improved.

For example, referring to fig. 4 and 5 in combination, heat exchange channels 134 may be provided within the heat exchanger 200. Heat exchange passage 134 may form a portion of intake passage 130, with an outlet 132 of heat exchange passage 134 connected to intake chamber 133. Thus, the air flowing into the heat exchanging channel 134 sequentially passes through the heat exchanging channel 134, the air outlet 132 and the air inlet cavity 133, and is finally delivered into the combustion chamber 100, so as to ensure heat exchanging efficiency. It will be appreciated that the heat exchange channels 134 may be provided as long as possible to further enhance the heat exchange efficiency of the heat exchanger 200. For example, when the heat exchanger 200 is disposed in a circular ring shape, the heat exchange passage 134 may be disposed in a circular arc shape which surrounds more than half a circle of the circular ring, and the air inlet 131 and the air outlet 132 are disposed at positions near both ends of the circular arc-shaped heat exchange passage 134, respectively. Preferably, the heat exchange channels 134 may be arranged in 3/4 of a turn around a circular ring. The air inlet 131 may communicate directly to the heat exchange passage 134 through the air inlet chamber 133. Because the two ends of the arc are not communicated, the air entering from the air inlet 131 needs to flow through the heat exchange channel 134 long enough to flow out from the air outlet 132.

Illustratively, referring to fig. 3, the first tray 310 may be located above the second tray 320, the smoke inlet 141 of the smoke evacuation channel 140 and the pan 110 are both disposed on the first tray 310, and the pan 110 surrounds the smoke inlet 141 of the smoke evacuation channel 140. The high-temperature flue gas after combustion rises upwards, the flue inlet 141 is positioned above the smoke discharging cavity 143, and the high-temperature flue gas is easy to collect at the flue inlet 141. The high temperature flue gas gathers in the position that gathers energy pot frame 10 near the top, because the seat pan face 110 extends around the combustion chamber in succession, forms certain sealed effect at the top of gathering energy pot frame 10, can form higher atmospheric pressure at the top of gathering energy pot frame 10. The high-temperature flue gas can enter the smoke discharging cavity 143 with relatively smaller air pressure through the smoke inlet 141, so that the efficiency of the high-temperature flue gas flowing into the smoke discharging cavity 143 can be better ensured.

Illustratively, referring to fig. 3, the first pan 310 may include an upwardly protruding annular bead 311, the top of the annular bead 311 forming the pan surface 110. Therefore, a linear seal can be formed between the first tray 310 and the pan body, so that the requirements on the flatness of the pan body and the flatness of the pan seat 110 are low, the processing cost can be reduced, and the sealing effect can be ensured. Moreover, when the energy-collecting pot holder 10 is used, the pot body is seated on the first plate body 310, and the contact area between the first plate body 310 and the pot body can be better reduced due to the arrangement of the upward protruding annular ribs 311, so that the contact area with the pot body is reduced, and the direct conduction of heat is reduced. In general, the temperature of the energy-collecting pot holder 10 is lower than that of the combustion chamber 100, and the reduction of the contact area between the energy-collecting pot holder 10 and the pot body means that the contact area between the combustion chamber 100 and the pot body can be increased, so that the heat rising efficiency of the pot body can be improved. The top of the annular bead may be provided as a convex circular arc shape, for example. Alternatively, the top of the first pan may be a planar annular structure that forms the pan surface 110.

Illustratively, referring to fig. 3 and 6 in combination, the first disk 310 may further include a first annular step surface 312 and a first circular land 313. The first annular step surface 312 may be located radially inward of the annular bead 311 and lower than the annular bead 311. The first circular land 313 is connected between the first annular step surface 312 and the annular bead 311. The first circular land 313 is connected to the annular bead 311 obliquely upward and outward in the radial direction from the first annular step surface 312, and a plurality of first through holes 314 distributed around the combustion chamber 100 are provided on the first annular step surface 312, the plurality of first through holes 314 forming the smoke inlet 141 of the smoke discharge passage 140. The high-temperature flue gas generated by combustion of the combustion chamber 100 gradually gathers at the top of the first tray body 310, and the arrangement of the first circular table 313 makes the area of the enclosed cavity inside the first tray body 310 larger, so that the contact area between the high-temperature flue gas gathered at the top of the first tray body 310 and the pan body is larger, more heat exchange is generated, and the heat utilization rate is improved. Moreover, because the first circular table top 313 is obliquely arranged, the high-temperature flue gas has a certain flow guiding effect, so that the high-temperature flue gas flowing out of the combustion chamber 100 can form a certain thermal reflux in the space among the first circular table top 313, the first annular step surface 312 and the pot body, the residence time of the high-temperature flue gas in the space is longer, and the utilization rate of heat is further ensured. In an embodiment not shown, the first tray may include an annular step surface and an inner sidewall disposed perpendicular to the annular step surface, the top of the inner sidewall forming the pan seating surface 110.

Illustratively, referring to fig. 5, the third tray 330 may be located below the second tray 320. The air outlet 132 of the air inlet passage 130 may be provided on the third tray 330. In this way, the air is preheated by the heat exchanger 200, flows between the third plate 330 and the second plate 320, and flows into the combustion chamber 100 through the air outlet 132 provided in the third plate 330. The air outlet 132 is arranged on the third disk body 330 positioned below, on one hand, although the air entering the combustion chamber 100 is preheated, the temperature of the air is lower than that of high-temperature flue gas, the air outlet 132 does not interfere with the flue gas flow below, and the air circulation efficiency is ensured; on the other hand, the air inlet of the burner is at the lower portion of the burner head 610, and air is more easily introduced into the burner head 610 after entering the combustion chamber 100 from the air outlet 132.

For example, referring to fig. 3 and 7b in combination, the third tray 330 may include a third tray bottom 331 and a third flange 332. The third disc bottom 331 has an inner edge facing the combustion chamber 100, and the third flange 332 is bent upward from the inner edge of the third disc bottom 331. The bottom surface of the second tray 320 may be attached to the third flange 332. The bottom surface of the second tray 320 may be welded to the third flange 332 to ensure the connection stability. The third flange 332 is provided with a plurality of third through holes 333 distributed around the combustion chamber 100 in a dispersed manner, the plurality of third through holes 333 are communicated with the air inlet cavity 133, and the plurality of third through holes 333 form an air outlet of the air inlet channel 130. In this way, the intake chamber 133 is formed below the second tray 320, and air introduced into the intake chamber 133 enters the combustion chamber 100 through the third through hole 333 to participate in combustion. The air inlet cavity 133 has a certain buffering effect on air, and the third through holes 333 distributed in a dispersing way can ensure that the air enters the combustion chamber 100 more uniformly to participate in combustion, and the process is smoother. In an embodiment not shown, a duct may be provided in the intake chamber through which the warmed up air is directed into the combustion chamber to participate in combustion.

Illustratively, referring to fig. 2 and 3, the third flange 332 extends obliquely upward and radially inward from an inner edge of the third disk bottom 331. The third flange 332 has a certain guiding effect on the air in the air inlet cavity 133, and the air enters the combustion chamber 100 at a downward inclined angle, so that the bottom of the combustion chamber 100 can be better filled, and the air enters the air inlet of the combustion head 610, thereby preventing the occurrence of insufficient combustion air at the bottom of the combustion chamber 100 and ensuring the combustion efficiency. In an embodiment not shown, the third flange may be a vertically upwardly disposed flange structure.

Illustratively, referring to fig. 3, the third tray 330 may further include a third sidewall 334. The lower end of the third sidewall 334 is connected to the outer edge of the third tray bottom 331. The second tray 320 may include a second tray bottom 321, a second sidewall 322, and a second flange 323. The lower end of the second sidewall 322 is connected to the outer edge of the second pan bottom 321, and the second flange 323 extends from the upper end of the second sidewall 322 toward the outside of the combustion chamber 100. The second flange 323 is connected to the third sidewall 334. The second side wall 322 is spaced apart from the third side wall 334, and the heat exchanger 200 is located inside the second side wall 322. In this way, the cavity between the second side wall 322 and the third side wall 334 can insulate the heat exchanger 200, so as to avoid heat loss caused by heat transfer outwards along the lateral direction, and avoid that the outer side surface of the energy accumulating pot frame is too high in temperature to bake surrounding objects. Because the third tray 330 and the second tray 320 may surround to form the air intake cavity 133, the space between the second sidewall 322 and the third sidewall 334 may further expand the volume of the air intake cavity 133. And, preheated air enters intake cavity 133, and some air enters the space between second side wall 322 and third side wall 334 and forms a return flow, further increasing the residence time of air in intake cavity 133. Because heat exchanger 200 is disposed inside second sidewall 322, i.e., the temperature of second sidewall 322 is relatively high, air in intake chamber 133 can be heated, further ensuring heat exchange efficiency. For example, the second flange 323 and the third sidewall 334 may be welded to each other.

Illustratively, the second disk 320 protrudes from the third disk 330 in a direction toward the combustion chamber 100, as shown in fig. 3 and 5. Whereby steps 324 may be formed at the inner edges of the second and third disks 320 and 330. The step 324 may provide a guiding and blocking effect on the air entering the combustion chamber 100 from the third through hole 333 under the step 324, reducing the upward flow of air to be mixed with the high temperature flue gas, so that the air entering the combustion chamber 100 can sufficiently participate in combustion.

Illustratively, referring to fig. 7a and 6, the energy harvesting pot holder 10 further comprises an inner tray 400. The inner disc 400 is connected to the side of the outer disc assembly 300 facing the combustion chamber 100. The upper edge of the inner tray 400 is located above the smoke inlet 141 of the smoke exhaust duct 140, and the projection of the upper edge of the inner tray 400 in the horizontal plane covers the smoke inlet 141 of the smoke exhaust duct 140. The inner tray 400 is arranged to space the smoke inlet 141 from the combustion chamber 100 to prevent high temperature smoke in the combustion chamber 100 from directly flowing into the smoke inlet 141. The high temperature smoke flows through the inner tray 400 and enters the space between the inner tray 400 and the outer tray assembly 300, and the projection of the upper edge of the inner tray 400 in the horizontal plane covers the smoke exhaust channel 140, so that the high temperature smoke flows to the smoke inlet 141 after turning at the upper edge of the inner tray 400, and the residence time of the high temperature smoke in the space can be increased. Thus, the space and the bottom surface of the pot body contacted with the space have higher heat exchange efficiency, and the energy collecting effect of the energy collecting pot frame 10 is better. Moreover, the upper edge of the inner tray 400 can also play a role in shielding the smoke inlet 141 when seen from above, so that foreign matters can be prevented from falling into the smoke inlet 141 under the condition that the pot body is not seated on the energy-collecting pot frame, and a certain attractive effect can be achieved. Alternatively, the smoke inlet may be provided outside the projection of the upper edge of the inner disc in the horizontal plane.

Illustratively, an insulating cavity is formed within the inner tray 400. Alternatively, the inner tray 400 and the outer tray assembly 300 may enclose an insulating cavity. Thus, the heat insulation cavity can better play a role in heat preservation of the combustion chamber 100, heat loss in the combustion chamber 100 is reduced, and energy gathering effect of the energy gathering pot frame 10 is further ensured.

Illustratively, referring to fig. 3, the inner disc 400 may include an inner disc inner sidewall 410, a first inner disc flange 420, a second inner disc flange 430, and an inner disc outer sidewall 440. An inner disc inner sidewall 410 is disposed facing the combustion chamber 100, and a lower end of the inner disc inner sidewall 410 may be connected to the second disc 320. An inner edge of the first inner disc flange 420 may be connected to an upper end of the inner disc inner sidewall 410. The outer edge of the second inner disc flange 430 is connected to the outer edge of the first inner disc flange 420, and the first inner disc flange 420 and the second inner disc flange 430 form the upper edge of the inner disc 400. The upper end of the inner disc outer side wall 440 is connected to the inner edge of the second inner disc flange 430, and the lower end of the inner disc outer side wall 440 is connected to the first disc body 310, the inner disc outer side wall 440 being spaced apart from the inner disc inner side wall 410. For example, the inner disc outer sidewall 440 and the first disc 310 may be welded to each other to ensure the connection stability and tightness. In this way, the space among the inner disc inner side wall 410, the first inner disc flanging 420, the second inner disc flanging 430 and the inner disc outer side wall 440 plays a role in heat insulation and preservation for the combustion chamber 100, and ensures the energy gathering effect of the energy gathering pot frame 10.

Illustratively, at least an upper portion of the inner disc inner sidewall 410 and/or the inner disc outer sidewall 440 extends obliquely upward and toward the outside of the combustion chamber 100. In this way, the combustion chamber 100 is ensured to be outward-expanded from bottom to top, so that the contact area between the combustion chamber 100 and the pot body is larger, and the heat exchange efficiency is increased. In addition, the arrangement of extending outwards and towards the outer side of the combustion chamber 100 can guide high-temperature flue gas, so that the high-temperature flue gas can better flow to the outer side of the combustion chamber 100, the outer side can have higher temperature, and the heating efficiency is ensured. In an embodiment not shown, the inner disc inner side wall and the inner disc outer side wall may be disposed vertically upward and connected by a connection surface.

For example, referring to fig. 4, the heat exchanger 200 may include a heat exchange body 210 made of an energy storage material and heat exchange tubes 211 disposed within the heat exchange body 210, the heat exchange tubes 211 forming a heat exchange section. The energy storage material may store thermal energy and may release the stored thermal energy. Taking the example that the heat exchange body 210 is arranged in the smoke discharging channel 140, the heat exchange tube 211 is arranged in the heat exchange body 210 made of energy storage materials, high-temperature smoke in the smoke discharging channel 140 is contacted with the energy storage materials, and the energy storage materials can store part of heat and the temperature is increased. When air is introduced into the heat exchange tube 211, the temperature of the air is less than the temperature of the energy storage material. At this time, heat exchange is performed at the peripheral wall of the heat exchange tube 211, that is, the energy storage material releases the stored heat energy, and the air temperature in the heat exchange tube 211 increases. The air with the increased temperature enters the combustion chamber 100, thereby improving the combustion efficiency. Likewise, the heat exchange body is disposed in the air intake passage and has the same heat conduction principle, and will not be described herein. In an embodiment not shown, the heat exchange tube may be disposed around the combustion chamber in a plurality of turns and embedded in the heat exchange body to ensure a better heat exchange effect.

In another embodiment, referring to fig. 8-10, the heat exchanger 200 may include a heat exchange tube 211' and a plurality of fins 220 disposed on an outer sidewall of the heat exchange tube 211', the heat exchange tube 211' forming a heat exchange section. The fins 220 are typically metal sheets having good thermal conductivity, and the fins 220 absorb heat of high temperature flue gas in the smoke exhaust passage 140 and release heat energy when contacting the air having a low temperature in the air intake passage 130 to raise the temperature of the air. Higher temperature air enters the combustion chamber 100 to improve combustion efficiency. Alternatively, any other material that can store and release thermal energy may be disposed within the heat exchanger.

For example, referring to fig. 4 and 10, the heat exchange tube 211 may surround more than half of the circumference of the combustion chamber 100. In this way, the contact time between the air in the heat exchange tube 211 and the heat exchanger 200 is longer, so as to ensure better heat exchange effect and better preheating effect on the air.

For example, referring to fig. 1b, 5 and 6 in combination, the outer profile of the energy accumulating pot holder 10 may be square, and the smoke outlet 142 of the smoke discharging passage 140 and the air inlet 131 of the air inlet passage 130 extend in the vertical direction and are disposed at the corners of the square. Since the flue gas exhausted from the smoke outlet 142 is the combusted waste gas, the carbon dioxide amount is high, and the air inlet 131 and the smoke outlet 142 are arranged at square corners at intervals, so that the combusted waste gas can be prevented from being exhausted from the smoke outlet 142 and then flowing into the air inlet 131, and the combustion efficiency is ensured.

For example, referring to fig. 3 and 5, the bottom of the energy harvesting pot holder 10 may be provided with at least one ring of downwardly protruding lower ribs 335. The lower bead 335 may surround the combustion chamber 100, with the bottom of the lower bead 335 forming the seating surface 120. When the energy accumulating pot holder 10 is in use, the bottom of the energy accumulating pot holder 10 can be propped against the gas kitchen range, and the placement surface 120 is directly contacted with the gas kitchen range, so that line contact is formed between the lower convex rib 335 and the panel 500. The arrangement of the lower convex ribs 335 can reduce the contact area between the energy-collecting pot frame 10 and the gas cooker, reduce heat conduction and avoid overhigh temperature of the panel 500. Moreover, the wire contact has low requirements for the processing precision of the flatness of the mounting surface 120, and can form a good sealing effect with the panel 500 at the lower ribs 335. By way of example and not limitation, the lower bead 335 may be provided in an inner and outer layer to further enhance the seal between the seating surface 120 and the gas cooktop 20, ensuring the energy gathering effect of the energy gathering pot rack 10. In an embodiment not shown, the bottom of the energy accumulating pot holder may be a planar ring-shaped structure forming a seating surface in contact with the gas hob.

According to another aspect of the present invention, a gas cooker 20 is also provided. Referring in combination to fig. 1a-1b, 5 and 11, a gas cooker 20 may include a panel 500, a burner 600, and an energy harvesting pot holder 10. The energy-collecting pot rack can be any energy-collecting pot rack. The seating surface 120 of the energy harvesting pot holder 10 may be seated on the panel 500. The burner head 610 of the burner 600 extends through the panel 500 and into the combustion chamber 100. When the pot body is arranged above the energy-collecting pot frame 10, the energy-collecting pot frame 10 can form a sealed cavity between the pot body and the panel 500, and high-temperature flue gas can stay in the cavity for a long time, so that the heat preservation and energy collection effects are good. The heat exchanger 200 heats and preheats the air in the air inlet channel 130, and the preheated air enters the combustion chamber 100 to participate in combustion, so that the combustion efficiency is higher. In this way, the gas cooker 20 with higher combustion efficiency and better energy gathering effect needs less fuel and saves more energy when achieving the same heating effect.

Illustratively, referring to FIG. 12, the gas cooktop 20 may also include an air make-up assembly 800. Air charge assembly 800 communicates with air intake port 131 of intake passage 130 for charging air into combustion chamber 100. In particular, the air supplement assembly 800 may be disposed at any location of the gas cooktop 20, either at the bottom, top or side. The number of the air supplement modules 800 may be arbitrary, so long as it is ensured to communicate with the air inlets 131 of the air intake passage 130. The air supplement assembly 800 can ensure the air intake efficiency of the gas cooker 20, thereby ensuring the combustion efficiency of the gas cooker 20.

Illustratively, the gas cooker 20 may also include a flue gas collection assembly 700. The smoke collecting and placing assembly 700 may communicate with the smoke outlet 142 of the smoke exhaust passage 140 for exhausting smoke in the combustion chamber 100, and the exhaust port 752 of the smoke collecting and placing assembly 700 may be located at the rear of the panel 500. In this way, the high-temperature flue gas is discharged from the discharge port 752, and the discharge port 752 is positioned at the rear part of the panel 500 and is far away from the user, so that the condition that the discharged high-temperature flue gas scalds the user can be avoided. Also, with proper configuration of the smoke collection assembly 700, the exhaust port 752 can be positioned closer to the exhaust system (e.g., a range hood) in the kitchen to facilitate better exhaust of the smoke outdoors. Alternatively, the position of the drain opening may be located at other positions of the gas cooker, such as the bottom of the panel, so long as the drain opening is guaranteed to be away from the operating environment of the user, without being excessively limited. In the embodiment having the air supplement assembly 800 and the flue gas collection assembly 700, it is ensured that the combustion chamber 100 can normally burn while the top and bottom of the energy accumulating pot rack 10 are sealed to form the closed combustion chamber 100.

Illustratively, referring to fig. 13, the fume collection assembly 700 may include a fume collection housing 710. A fume collection hood 710 may be disposed below the panel 500. The side of the fume collection housing 710 may be provided with a fume inlet 720 and the top surface may be provided with a fume outlet 730. The flue gas inlet 720 communicates with the combustion chamber 100. A flue gas collecting and discharging fan 740 may be disposed in the flue gas collecting and discharging cover 710. The fume collection assembly 700 may further include a fume cap 750, the fume cap 750 may be connected to the fume outlet 730, an upper portion of the fume cap 750 may extend above the panel 500, and a discharge port 752 of the fume collection assembly 700 is provided at an upper portion of the fume cap 750. The smoke generated by combustion in the combustion chamber 100 passes through the smoke inlet 720, the smoke collecting and discharging cover 710, the smoke outlet 730, and the smoke discharging cap 750 in this order, and is then discharged through the discharge port 752. The fume collection cover 710 is disposed below the panel 500 to minimize space occupation. The smoke discharging cap 750 is extended to the panel 500 to ensure that smoke can be smoothly discharged. In an embodiment not shown, the flue gas collecting and placing assembly can be arranged at any position and can be arranged according to practical use conditions, so long as the flue gas inlet of the flue gas collecting and placing assembly can be communicated with the combustion chamber and the flue gas outlet of the flue gas collecting and placing assembly is communicated with the external environment.

Illustratively, referring to fig. 14, the top of the fume cap 750 may extend outwardly with a ledge 751. The plurality of exhaust ports 752 of the flue gas collecting and placing assembly 700 are arranged below the eave 751 in a dispersed manner. In this way, the plurality of exhaust ports 752 are distributed in a dispersed manner to ensure the smoke discharging efficiency of the smoke collecting and discharging assembly 700. The eave 751 can better enable external oil or water drops and the like to enter the smoke collecting and placing assembly 700 through the discharge port 752, and normal use of the smoke collecting and placing assembly 700 is guaranteed. Alternatively, in an embodiment not shown, the top of the fume cap may be plugged and the drain may be provided on a side wall of the fume cap.

Illustratively, referring to fig. 1b, the burner 600 may include left and right burners 620 and 630 located on left and right sides of the panel 500, respectively. The left burner 620 and the right burner 630 may each have a energy accumulating pan frame 10. The left and right sides of the smoke collecting and discharging cover 710 are provided with smoke inlets 720 and are respectively connected to the energy accumulating pot rack of the left burner 620 and the energy accumulating pot rack of the right burner 630, and the number of the smoke discharging caps 750 is one and is located between the left burner 620 and the right burner 630. The arrangement between the left burner 620 and the right burner 630 can ensure the smoke collecting efficiency of the smoke collecting and discharging assembly 700 as much as possible. In an embodiment not shown, the number of fume caps may be the same as and in one-to-one correspondence with the number of energy accumulating pot holders.

Illustratively, referring to fig. 12, the gas cooktop 20 may also include a bottom shell 510 connected to the underside of the panel 500. The air refill assembly 800 may include an air refill casing 810. An air supplement housing 810 may be disposed between the bottom chassis 510 and the panel 500. An air inlet 820 may be provided on the bottom surface of the air supplement housing 810 and an air outlet 830 may be provided on the top surface. The air outlet 830 communicates with the combustion chamber 100, and the bottom case 510 is provided with a through hole communicating with the air inlet 820. An air make-up fan 840 may be disposed within the air make-up housing 810. The air refill assembly 800 may be in communication with an external environment. Also, the air supplement assembly 800 is disposed under the panel 500 to prevent occupation of space on the panel. The air supplement fan 840 is provided to ensure air supplement efficiency of the air supplement assembly 800, thereby ensuring combustion efficiency of the gas cooker 20. In embodiments not shown, the air make-up assembly may be located at any other location that ensures that the air outlet communicates with the combustion chamber.

Illustratively, referring to FIG. 1b, the gas cooker 20 may also include a gas valve assembly 640 and a controller 900. A gas valve assembly 640 may be coupled to the combustor 600, the gas valve assembly 640 for regulating the amount of gas delivered to the combustor 600 and generating a gas regulation signal. The controller 900 may be coupled to the gas valve assembly 640, the air make-up assembly 800, and the flue gas collection assembly 700. The controller 900 may be used to adjust the power of the air make-up assembly 800 and the flue gas collection assembly 700 based on the gas conditioning signal. In use of the gas cooker 20, the gas valve assembly 640 can control the amount of gas that is channeled to the burner 600 and can generate a gas adjustment signal based on the amount of gas that is channeled. When the gas amount is larger, the combustion is more severe, more smoke can be generated in the combustion chamber 100, and the controller 900 can control the air supplementing assembly 800 and the smoke collecting and placing assembly 700 to be adjusted to proper power according to the gas adjusting signal, so that the sufficient air in the combustion chamber 100 and the generated smoke can be discharged in time.

Illustratively, the gas cooker 20 may also include an ignition needle disposed at the combustion head 610 of the burner 600. The ignition pin may be connected to the controller 900. The controller is configured to control the ignition needle to fire based on the gas adjustment signal to determine that the gas valve assembly 640 is open.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front", "rear", "upper", "lower", "left", "right", "transverse", "vertical", "horizontal", and "top", "bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely for convenience of describing the present invention and simplifying the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, without limiting the scope of protection of the present invention; the orientation terms "inner" and "outer" refer to the inner and outer relative to the outline of the components themselves.

For ease of description, regional relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein to describe regional positional relationships of one or more components or features to other components or features illustrated in the figures. It will be understood that the relative terms of regions include not only the orientation of the components illustrated in the figures, but also different orientations in use or operation. For example, if the element in the figures is turned over entirely, elements "over" or "on" other elements or features would then be included in cases where the element is "under" or "beneath" the other elements or features. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". Moreover, these components or features may also be positioned at other different angles (e.g., rotated 90 degrees or other angles), and all such cases are intended to be encompassed herein.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, components, assemblies, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The present invention has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the invention to the embodiments described. In addition, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications are possible in light of the teachings of the invention, which variations and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The energy-gathering pot rack is characterized by comprising a sitting pot surface positioned at the top of the energy-gathering pot rack and a placement surface positioned at the bottom of the energy-gathering pot rack, wherein the sitting pot surface continuously extends around the combustion chamber in a first plane, the placement surface continuously extends around the combustion chamber in a second plane, a smoke exhaust channel and an air inlet channel are arranged in the energy-gathering pot rack, a smoke inlet of the smoke exhaust channel is communicated with the combustion chamber, a smoke outlet of the smoke exhaust channel is communicated with the external environment, an air inlet of the air inlet channel is communicated with the external environment, and an air outlet of the air inlet channel is communicated with the combustion chamber;

and a heat exchanger is further arranged in the energy-collecting pot frame and is thermally coupled between the air inlet channel and the smoke exhaust channel.

2. The energy harvesting cooker rack of claim 1, wherein the heat exchanger is disposed within one of the intake passage and the exhaust passage, the other of the intake passage and the exhaust passage having a heat exchange section extending into the heat exchanger.

3. The energy harvesting cooker rack of claim 1, wherein the energy harvesting cooker rack comprises an outer tray assembly comprising:

A first tray;

a second tray connected to the first tray, the first tray and the second tray surrounding to form a smoke evacuation cavity, the heat exchanger being disposed within the smoke evacuation cavity, the smoke evacuation cavity forming a portion of the smoke evacuation channel; and

the third disc body is connected with the second disc body, an air inlet cavity is formed by surrounding the third disc body and the second disc body, and the air inlet cavity forms a part of the air inlet channel.

4. A heat accumulating pan support according to claim 3, wherein a heat exchange channel is provided in the heat exchanger, the heat exchange channel forming part of the air inlet channel, the air outlet of the heat exchange channel being connected to the air inlet chamber.

5. The energy harvesting cooker holder of claim 3, wherein the first tray is located above the second tray, the smoke inlet of the smoke evacuation channel and the pan-seating surface are both disposed on the first tray, and the pan-seating surface surrounds the smoke inlet of the smoke evacuation channel.

6. The energy harvesting cooker rack of claim 5, wherein the first tray includes an upwardly projecting annular bead, a top of the annular bead forming the pan seating surface.

7. The energy harvesting pot holder of claim 6, wherein the first disk further comprises a first annular step surface and a first circular land surface, the first annular step surface is located radially inward of the annular bead and lower than the annular bead, the first circular land surface is connected between the first annular step surface and the annular bead, the first circular land surface is connected to the annular bead obliquely upward and outward from the first annular step surface, a plurality of first through holes distributed in a dispersed manner around the combustion chamber are provided on the first annular step surface, and the plurality of first through holes form smoke inlets of the smoke exhaust passage.

8. The energy harvesting cooker rack of claim 3, wherein the third tray is located below the second tray, and the air outlet of the air inlet channel is disposed on the third tray.

9. The energy harvesting pot rack of claim 8, wherein the third tray comprises:

a third tray bottom having an inner edge facing the combustion chamber; and

the third flanging is bent upwards from the inner edge of the third disc bottom, the bottom surface of the second disc body is connected to the third flanging, a plurality of third through holes distributed around the combustion chamber in a dispersed mode are formed in the third flanging, the plurality of third through holes are communicated with the air inlet cavity, and the plurality of third through holes form an air outlet of the air inlet channel.

10. The energy harvesting pot holder of claim 9, wherein the third flange extends obliquely upward and radially inward from an inner edge of the third pan bottom.

11. The energy harvesting pot rack of claim 9, wherein the third tray further comprises a third sidewall, a lower end of the third sidewall being connected to an outer edge of the third tray, the second tray comprising a second tray bottom, a second sidewall, and a second flange, the lower end of the second sidewall being connected to the outer edge of the second tray bottom, the second flange extending from an upper end of the second sidewall toward an outside of the combustion chamber, the second flange being connected to the third sidewall, the second sidewall being spaced apart from the third sidewall, the heat exchanger being located inside of the second sidewall.

12. The energy harvesting cooker rack of claim 8, wherein the second tray protrudes from the third tray in a direction toward the combustion chamber.

13. The energy harvesting cooker rack of claim 3, further comprising an inner plate connected to a side of the outer plate assembly facing the combustion chamber, an upper edge of the inner plate being located above a smoke inlet of the smoke evacuation channel, and a projection of the upper edge of the inner plate in a horizontal plane covering the smoke inlet of the smoke evacuation channel.

14. The energy harvesting cooker rack of claim 13, wherein the inner tray defines a thermally insulated cavity therein or the inner tray and the outer tray assembly enclose a thermally insulated cavity.

15. The energy harvesting pot rack of claim 13, wherein the inner tray comprises:

an inner disk inner sidewall facing the combustion chamber, a lower end of the inner disk inner sidewall being connected to the second disk body;

the inner edge of the first inner disc flanging is connected to the upper end of the inner side wall of the inner disc;

a second inner disc flange, the outer edge of the second inner disc flange being connected to the outer edge of the first inner disc flange, the first inner disc flange and the second inner disc flange forming an upper edge of the inner disc; and

the inner disc lateral wall, the upper end of inner disc lateral wall is connected to the inner edge of second inner disc turn-ups, just the lower extreme of inner disc lateral wall is connected to the first disk body, inner disc lateral wall with the inner disc inside wall is spaced apart.

16. The energy harvesting pot rack of claim 15, wherein at least an upper portion of the inner disk inner side wall and/or the inner disk outer side wall extends obliquely upward and toward the outside of the combustion chamber.

17. The energy harvesting cooker rack of claim 2, wherein the heat exchanger comprises a heat exchange body made of an energy storage material and heat exchange tubes disposed within the heat exchange body, the heat exchange tubes forming the heat exchange section.

18. The energy harvesting cooker rack of claim 2, wherein the heat exchanger comprises a heat exchange tube and a plurality of fins disposed on an outer sidewall of the heat exchange tube, the heat exchange tube forming the heat exchange section.

19. The energy harvesting cooker rack of claim 17 or 18, wherein the heat exchange tube surrounds more than half of the circumference of the combustion chamber.

20. The energy harvesting cooker holder of claim 1, wherein the outer profile of the energy harvesting cooker holder is square, and the smoke outlet of the smoke exhaust channel and the air inlet of the air inlet channel extend in the vertical direction and are both arranged at corners of the square.

21. The energy harvesting cooker rack of claim 1, wherein the bottom of the energy harvesting cooker rack is provided with at least one ring of downward protruding lower ribs, the lower ribs surrounding the combustion chamber, the bottom of the lower ribs forming the seating surface.

22. A gas cooker, comprising:

A panel;

the energy harvesting cooker rack of any one of claims 1 to 21, a seating surface of the energy harvesting cooker rack sitting on the panel;

a burner with a burner head passing through the panel and extending into the combustion chamber.

23. The gas cooktop of claim 22, further comprising:

an air replenishment assembly in communication with the intake port of the intake passage for replenishing air into the combustion chamber; and/or

The smoke collecting and placing assembly is communicated with the smoke outlet of the smoke discharging channel and used for discharging smoke in the combustion chamber, and the discharge outlet of the smoke collecting and placing assembly is positioned at the rear part of the panel.