Combustor
By incorporating side and bottom secondary air supply channels and a backflow prevention structure in the burner, the problem of high burner height was solved, resulting in a flatter burner, improved safety, and enhanced user experience.
Patent Information
- Application Number
- CN202520054977.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-01-10
AI Technical Summary
The existing burner is too tall, which makes cooking time-consuming and laborious, resulting in a poor user experience. In addition, the secondary air intake design can easily lead to incomplete combustion or liquid spillage into the chassis, affecting its lifespan and safety.
The design incorporates first and second air supply channels to supply secondary air from the side and bottom of the burner, respectively. The design also prevents liquid from overflowing into the bottom through a return flow section and a baffle structure. Combined with air supply from the lower air intake channel, this reduces the burner height.
The burner features a flattened design, reducing the need for users to raise their arms, improving the cooking experience, and preventing spillage, blockages, and safety hazards while ensuring combustion efficiency.
Smart Images
Figure CN223869190U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of stove technology, and in particular to a burner. Background Technology
[0002] Currently, most burners on the market are quite tall, requiring users to raise their arms to cook, which is time-consuming and laborious, resulting in a poor user experience. The main reason for this height is that burners typically have a secondary air inlet on the side, allowing secondary air to enter the mixing chamber laterally. Lowering the height of this inlet is difficult; doing so can lead to insufficient air for combustion, incomplete combustion, high flue gas levels, and low combustion efficiency. Some burners on the market use a base-mounted secondary air inlet, but this method can cause liquid to overflow into the base, affecting the burner's lifespan and posing safety hazards. Utility Model Content
[0003] The technical problem to be solved by this utility model is to overcome the shortcomings of existing burners, such as their high height, which makes cooking time-consuming and laborious and affects the user experience, and to provide a burner.
[0004] The present invention solves the above-mentioned technical problems through the following technical solution:
[0005] This utility model provides a burner, which includes an inner ring flame cap, an outer ring flame cap, and a mixing chamber. The mixing chamber includes an inner ring mixing part and an outer ring mixing part. The inner ring flame cap is disposed on the inner ring mixing part and forms an inner ring mixing cavity. The outer ring flame cap is disposed on the outer ring mixing part and forms an outer ring mixing cavity.
[0006] The outer ring mixing section has a first air replenishment channel extending from the radially outer side to the radially inner side of the outer ring mixing section, the inner ring mixing section is spaced apart within the outer ring mixing section, and a second air replenishment channel is formed between the inner ring mixing section and the outer ring mixing section.
[0007] In this design, the burner has two secondary air supply channels: a first air supply channel and a second air supply channel. The first air supply channel extends radially from the outer side of the outer ring mixing section to the radially inner side of the outer ring mixing section, supplying secondary air from the side of the burner. The second air supply channel is located between the inner and outer ring mixing sections, supplying secondary air from the bottom of the burner. By adding a second air supply channel on top of the first air supply channel, the height of the first air supply channel is reduced, allowing for a smaller burner height and a flatter burner design. This facilitates cooking, avoids the need for users to raise their arms for extended periods, and improves the user experience.
[0008] Preferably, the outer annular mixing section further includes a reflux section, the reflux section being disposed radially inside the first air replenishment channel, and the second air replenishment channel being disposed between the radially inside the reflux section and the radially outside the inner annular mixing section;
[0009] The recirculation section extends obliquely downward in the direction from the radially inner side of the burner to the radially outer side of the burner.
[0010] In this design, the outer annular mixing section also includes a recirculation section, which is located radially inner to the first air supply channel and extends obliquely downwards in the direction from the radially inner side of the burner to the radially outer side of the burner. When overflow drips, the recirculation section prevents the overflow from flowing from the second air supply channel to the bottom of the burner. Furthermore, the recirculation section also guides the airflow in both the first and second air supply channels, improving the secondary air supply effect.
[0011] Preferably, a baffle is provided above the second air replenishment channel, and the projection of the baffle in the vertical direction at least partially covers the second air replenishment channel.
[0012] In this design, a baffle is provided above the second air supply channel. The vertical projection of the baffle at least partially covers the second air supply channel, thereby enabling the baffle to effectively block the overflow from above the burner and prevent the overflow from flowing from the second air supply channel to the bottom of the burner.
[0013] Preferably, the baffle has a downwardly extending guide portion.
[0014] In this design, the baffle also includes a flow guide that extends downwards, thereby guiding the overflow liquid falling on the baffle downwards. This facilitates the overflow liquid flowing along the first air supply channel to the outside of the burner, preventing the overflow liquid from flowing to the bottom of the burner from the second air supply channel.
[0015] Preferably, the guide portion extends obliquely downward in the direction from the radially inner side of the burner to the radially outer side of the burner.
[0016] In this design, extending the guide section diagonally downwards in the direction from the radial inner side of the burner to the radial outer side of the burner can better guide the overflow liquid and make it easier for the overflow liquid to flow diagonally downwards to the outer side of the burner.
[0017] Preferably, the radially inner side of the baffle is in contact with the radially outer side of the inner annular mixing section.
[0018] In this design, by fitting the radially inner side of the baffle to the radially outer side of the inner ring mixing section, the baffle can effectively block the overflow from above, preventing the overflow from dripping from the connection between the baffle and the inner ring mixing section.
[0019] Preferably, the burner further includes a burner head connected below the mixing chamber, the burner head having an air intake channel from bottom to top, and the second air replenishment channel communicating with the air intake channel.
[0020] In this design, by setting an air intake channel from bottom to top in the burner head, and connecting the second air replenishment channel to the air intake channel, air can flow directly into the second air replenishment channel from below the burner through the air intake channel, thereby replenishing secondary air.
[0021] Preferably, the height of the first air replenishment channel is H1, where H1 ≥ 4 mm.
[0022] In this solution, by ensuring that the height H1 of the first air supply channel is ≥ 4 mm, the overflow liquid can flow out from the first air supply channel to the outside of the burner, thus preventing the overflow liquid from clogging the first air supply channel.
[0023] Preferably, the height of the reflux section is H2, where H2 ≥ 4 mm.
[0024] In this design, by making the height H2 of the return section ≥ 4mm, the resistance to backflow of overflow is increased, preventing backflow of overflow and avoiding overflow from flowing from the second air supply channel to the bottom of the burner.
[0025] Preferably, a return channel is formed between the guide section and the return section, the length of the return channel is L, the height of the return channel is H3, L≥4mm, and 2mm≤H3≤4mm.
[0026] In this scheme, by ensuring that the length L of the return channel is greater than or equal to 4 mm and the height 2 mm ≤ H3 ≤ 4 mm, it is possible to prevent overflow from flowing back into the second air supply channel and to allow secondary air to flow smoothly into the inner ring of the burner for combustion.
[0027] The positive and progressive effects of this utility model are as follows:
[0028] The burner has two secondary air supply channels: a first air supply channel and a second air supply channel. The first air supply channel extends radially from the outer side of the outer ring mixing section to the radially inner side of the outer ring mixing section, supplying secondary air from the side of the burner. The second air supply channel is located between the inner and outer ring mixing sections, supplying secondary air from the bottom of the burner. By adding a second air supply channel on top of the first air supply channel, the height of the first air supply channel is reduced, allowing for a smaller burner height and a flatter burner design. This makes cooking easier for users, avoiding the need to constantly raise their arms while cooking and improving the user experience. Attached Figure Description
[0029] Figure 1 This is a three-dimensional structural diagram of a burner according to an embodiment of the present invention.
[0030] Figure 2 This is a top-view perspective view of the mixing chamber according to an embodiment of the present invention.
[0031] Figure 3 This is a bottom-view perspective view of the mixing chamber according to an embodiment of the present invention.
[0032] Figure 4 This is a cross-sectional perspective view of a burner according to an embodiment of the present invention.
[0033] Figure 5 This is a cross-sectional view of a burner according to an embodiment of the present invention.
[0034] Explanation of reference numerals in the attached figures:
[0035] Burner 100
[0036] Mixing chamber 200
[0037] Inner ring mixing section 210
[0038] 220 outer ring mixing section
[0039] Reflux section 221
[0040] Inner ring fire cap 300
[0041] Inner ring mixing chamber 310
[0042] Outer ring fire cap 400
[0043] 410 outer ring mixing chamber
[0044] First air replenishment channel 510
[0045] Second air supply channel 520
[0046] baffle 600
[0047] 610 air guide
[0048] 700 burners
[0049] Intake passage 710
[0050] First flow direction a
[0051] Second flow direction b
[0052] Overflow flow direction x Detailed Implementation
[0053] The present invention will be further described below by way of embodiments, but the present invention is not limited to the scope of the following embodiments.
[0054] like Figures 1-5 As shown, this embodiment provides a burner 100, which includes an inner ring burner cap 300, an outer ring burner cap 400, a mixing chamber 200, and a burner head 700. The burner head 700 is connected to the lower part of the mixing chamber 200. The mixing chamber 200 includes an inner ring mixing section 210 and an outer ring mixing section 220. The inner ring burner cap 300 is disposed on the inner ring mixing section 210 and forms an inner ring mixing chamber 310. The outer ring burner cap 400 is disposed on the outer ring mixing section 220 and forms an outer ring mixing chamber 410. The outer ring mixing section 220 has a first air supply channel 510 extending from the radially outer side to the radially inner side of the outer ring mixing section 220. The inner ring mixing section 210 is spaced apart within the outer ring mixing section 220, and a second air supply channel 520 is formed between the inner ring mixing section 210 and the outer ring mixing section 220.
[0055] The burner 100 has two secondary air supply channels: a first air supply channel 510 and a second air supply channel 520. The first air supply channel 510 extends radially from the outer side of the outer ring mixing section 220 to the radially inner side of the outer ring mixing section 220. The first air supply channel 510 is used to supply secondary air from the side of the burner 100. The first flow direction a indicates the flow direction of the secondary air within the first air supply channel 510. Furthermore, the second air supply channel 520 is located between the inner ring mixing section 210 and the outer ring mixing section 220. The second air supply channel 520 is used to supply secondary air from the bottom of the burner 100. The second flow direction b indicates the flow direction of the secondary air within the second air supply channel 520. By setting the second air supply channel 520 based on the first air supply channel 510, the height of the first air supply channel 510 is reduced, allowing for a smaller burner 100, making the burner 100 more flat and convenient for cooking. This avoids the need for users to raise their arms for extended periods while cooking, improving the user experience.
[0056] The outer annular mixing section 220 also includes a return section 221, which is located radially inner to the first air supply channel 510. The second air supply channel 520 is located between the radially inner side of the return section 221 and the radially outer side of the inner annular mixing section 210. The return section 221 extends obliquely downward in the direction from the radially inner side to the radially outer side of the burner 100. Figure 4 The flow direction of the overflow is shown. When the overflow drips, the return section 221 prevents the overflow from flowing from the second air supply channel 520 to the bottom of the burner 100. In addition, the return section 221 also guides the airflow in the first air supply channel 510 and the second air supply channel 520, improving the secondary air supply effect.
[0057] A baffle 600 is provided above the second air supply channel 520. The projection of the baffle 600 in the vertical direction at least partially covers the second air supply channel 520, so that the baffle 600 can fully block the overflow from the top of the burner 100 and prevent the overflow from flowing from the second air supply channel 520 to the bottom of the burner 100.
[0058] In this embodiment, the vertical projection of the baffle 600 completely covers the second air replenishment channel 520. In other embodiments, the vertical projection of the baffle 600 may partially cover the second air replenishment channel 520.
[0059] The baffle 600 has a downwardly extending guide portion 610, which can guide the overflow liquid falling on the baffle 600 downward, thereby facilitating the overflow liquid to flow along the first air supply channel 510 to the outside of the burner 100, and preventing the overflow liquid from flowing from the second air supply channel 520 to the bottom of the burner 100.
[0060] The guide portion 610 extends obliquely downward in the direction from the radially inner side to the radially outer side of the burner 100, making it easier for overflow liquid to flow obliquely downward to the outer side of the burner 100. Those skilled in the art can select a suitable extension direction of the guide portion 610 according to actual needs.
[0061] The radial inner side of the baffle 600 is in contact with the radial outer side of the inner ring mixing section 210, so that the baffle 600 can fully block the overflow from above and prevent the overflow from dripping from the connection between the baffle 600 and the inner ring mixing section 210.
[0062] The burner head 700 has an air intake channel 710 from bottom to top, and a second air replenishment channel 520 is connected to the air intake channel 710, so that air can flow directly from below the burner 100 through the air intake channel 710 into the second air replenishment channel 520, thereby replenishing secondary air.
[0063] like Figure 5 As shown, the height of the first air supply channel 510 is H1, where H1 ≥ 4 mm, so that the overflow liquid can flow out from the first air supply channel 510 to the outside of the burner 100, thus preventing the overflow liquid from clogging the first air supply channel 510.
[0064] The height of the return section 221 is H2, H2≥4mm, thereby increasing the resistance to backflow of overflow, preventing backflow of overflow, and avoiding overflow from flowing from the second air supply channel 520 to the bottom of the burner 100.
[0065] A return channel is formed between the guide section 610 and the return section 221. The length of the return channel is L and the height of the return channel is H3. L≥4mm and 2mm≤H3≤4mm. This not only prevents the overflow liquid from flowing back into the second air supply channel 520, but also allows the secondary air to flow smoothly into the inner ring of the burner 100 for combustion from the second air supply channel 520.
[0066] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship of the device or component during normal use. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation at any time, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model in this respect.
[0067] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications shall fall within the scope of this utility model.
Claims
1. A burner, characterized in that, The burner includes an inner ring flame cap, an outer ring flame cap, and a mixing chamber. The mixing chamber includes an inner ring mixing section and an outer ring mixing section. The inner ring flame cap is disposed on the inner ring mixing section and forms an inner ring mixing cavity. The outer ring flame cap is disposed on the outer ring mixing section and forms an outer ring mixing cavity. The outer ring mixing section has a first air replenishment channel extending from the radially outer side to the radially inner side of the outer ring mixing section, the inner ring mixing section is spaced apart within the outer ring mixing section, and a second air replenishment channel is formed between the inner ring mixing section and the outer ring mixing section.
2. The burner as claimed in claim 1, characterized in that, The outer ring mixing section further includes a reflux section, which is located radially inside the first air replenishment channel, and the second air replenishment channel is located between the radially inside the reflux section and the radially outside the inner ring mixing section. The recirculation section extends obliquely downward in the direction from the radially inner side of the burner to the radially outer side of the burner.
3. The burner as described in claim 2, characterized in that, A baffle is provided above the second air supply channel, and the projection of the baffle in the vertical direction at least partially covers the second air supply channel.
4. The burner as described in claim 3, characterized in that, The baffle has a downwardly extending guide portion.
5. The burner as described in claim 4, characterized in that, The guide portion extends obliquely downward in the direction from the radially inner side of the burner to the radially outer side of the burner.
6. The burner as claimed in claim 3, characterized in that, The radial inner side of the baffle is in contact with the radial outer side of the inner annular mixing section.
7. The burner as claimed in claim 1, characterized in that, The burner also includes a burner head connected below the mixing chamber, the burner head having an air intake channel from bottom to top, and the second air replenishment channel communicating with the air intake channel.
8. The burner as claimed in claim 1, characterized in that, The height of the first air replenishment channel is H1, where H1 ≥ 4 mm.
9. The burner as claimed in claim 2, characterized in that, The height of the reflux section is H2, where H2 ≥ 4 mm.
10. The burner as claimed in claim 4, characterized in that, A return channel is formed between the guide section and the return section. The length of the return channel is L, and the height of the return channel is H3. L≥4mm, 2mm≤H3≤4mm.