WO2023010867A1 - Brûleur à gaz et cuisinière à gaz - Google Patents

Brûleur à gaz et cuisinière à gaz Download PDF

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Publication number
WO2023010867A1
WO2023010867A1 PCT/CN2022/083296 CN2022083296W WO2023010867A1 WO 2023010867 A1 WO2023010867 A1 WO 2023010867A1 CN 2022083296 W CN2022083296 W CN 2022083296W WO 2023010867 A1 WO2023010867 A1 WO 2023010867A1
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WO
WIPO (PCT)
Prior art keywords
cavity
gas
chamber
injection
burner
Prior art date
Application number
PCT/CN2022/083296
Other languages
English (en)
Chinese (zh)
Inventor
谭争鸣
宋鹏
姚雪
张炳卫
Original Assignee
芜湖美的智能厨电制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202110888122.9A external-priority patent/CN115704560A/zh
Priority claimed from CN202110887955.3A external-priority patent/CN115704559A/zh
Application filed by 芜湖美的智能厨电制造有限公司 filed Critical 芜湖美的智能厨电制造有限公司
Priority to EP22851592.0A priority Critical patent/EP4317782A1/fr
Publication of WO2023010867A1 publication Critical patent/WO2023010867A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings

Definitions

  • the disclosure relates to the technical field of combustion devices, in particular to a gas burner head and a gas stove.
  • Combustion devices refer to kitchen utensils that use gaseous fuels such as liquefied petroleum gas (liquid state), artificial gas, and natural gas for direct fire heating. Direct fire can be produced by passing gas fuel into the gas stove, mixing the gas fuel with air and igniting the mixed gas.
  • gaseous fuels such as liquefied petroleum gas (liquid state), artificial gas, and natural gas for direct fire heating.
  • Direct fire can be produced by passing gas fuel into the gas stove, mixing the gas fuel with air and igniting the mixed gas.
  • the present disclosure aims at at least to a certain extent to solve the technical problem that the gas pipeline in the current gas stove is blocked due to bending.
  • the disclosure provides a gas burner and a gas stove.
  • a gas burner head provided by the disclosure includes a burner head body, the burner head body has a gas mixing cavity, a first injection cavity, a diversion cavity and an air supply cavity, and the burner head body is provided with a
  • the gas inlet and the first air inlet connected to the gas mixing chamber, the gas mixing chamber and the flow guide chamber are respectively arranged on both sides of the air supply chamber, and the flow guide chamber and the supply
  • the air chamber is connected, and the two ends of the first ejection chamber are respectively communicated with the air mixing chamber and the air supply chamber, wherein the first ejection chamber and the guide chamber are connected in a curved transition, so The guide chamber and the air supply chamber are also connected in a curved transition.
  • the gas burner provided in the present disclosure, by arranging the gas mixing chamber and the flow guide cavity on both sides of the gas supply cavity, there is a certain distance between the gas mixing chamber and the flow guide cavity, and the first injection cavity Connected between the gas mixing chamber and the gas supply chamber, so that the mixed gas in the gas mixing chamber can enter the gas supply chamber only through the first injection chamber and the guide chamber, so that the stroke of the gas reaching the gas supply chamber increases , so that the mixed gas is fully mixed during the movement.
  • the curved transition connection between the first injection cavity and the gas mixing cavity, the curved transition connection between the gas mixing cavity and the gas supply cavity, the gas reaches the connection between the first injection cavity and the gas mixing cavity, and the gas mixing cavity
  • the transition connection can guide the mixed gas into the first injection chamber and the gas mixing chamber, so as to prevent the mixed gas from stagnating and accumulating at the above connection, so that the gap between the gas mixing chamber and the gas supply chamber The air path is unobstructed.
  • the first injection cavity has a first end connected to the flow guide cavity, and a second end connected to the gas mixing cavity, and the flow guide cavity is connected to the flow guide cavity One end connected to the air supply cavity is bent toward the second end.
  • the gas supply chamber connected to the flow guide chamber can be relatively close to the gas mixing chamber, so that the length of the overall structure formed by the connection of the first injection chamber, the flow guide chamber and the gas supply chamber is relatively short, and the burner body The length does not need to be set too long, which finally makes the gas burner easy to install and place.
  • the air supply cavity is arranged in close contact with the outer wall of the first injection cavity. In this way, there is no gap between the gas supply cavity and the first injection cavity, so that the internal structure of the burner body is more compact.
  • a second injection cavity is also arranged in the burner body, the gas supply cavity includes a first cavity part and a second cavity part, and the first cavity part surrounds the The second cavity is provided, the first cavity communicates with the guide cavity, one end of the second injection cavity communicates with the air mixing cavity, and the other end of the second injection cavity communicates with the The second cavity is connected.
  • the gas can be supplied to the second cavity separately through the second injection cavity, so as to prevent the mixed gas in the first injection cavity and the mixed gas in the second injection cavity from interfering with each other.
  • the extension direction of the second injection cavity is misaligned with the center of the second cavity. In this way, the length of the second injection cavity can be increased, so that the mixed gas can be mixed more fully in the first injection cavity.
  • the extension direction of the second injection cavity is tangent to the edge of the second cavity, and the second injection cavity and the second cavity are also curved Transition connection.
  • the second injection cavity is tangent to the edge of the second cavity, which can maximize the length of the second injection cavity.
  • the second injection cavity has a third end connected to the second cavity part, and a fourth end connected to the gas mixing cavity, and the third end is connected to the The fourth end is bent. This can make the second cavity connected to the third end relatively close to the gas mixing cavity, so that the overall structural length of the connection between the second injection cavity and the enemy cavity is shorter, thereby reducing the length of the burner body, and finally can Makes the gas burner easy to install and place.
  • a partition is arranged in the gas mixing chamber to divide the gas mixing chamber into a first gas mixing part and a second gas mixing part, and the first injection chamber and the second gas mixing part
  • the first gas mixing part is in communication
  • the second injection cavity is in communication with the second gas mixing part.
  • the first gas mixing part and the second gas mixing part are independent of each other, which can prevent the gas passing into the first injection cavity and the gas passing into the second injection cavity from interfering with each other.
  • the partition plate is detachably arranged in the gas mixing chamber. Since the partition is detachably arranged in the gas mixing chamber, when it is necessary to disassemble and install the components in the gas mixing chamber, such as nozzles, the space in the gas mixing chamber can be larger by removing the partition to facilitate the installation and removal of components .
  • the inner wall of the air mixing chamber is provided with a mounting groove for matching with the partition plate, and the mounting groove has opposite fifth and sixth ends, and the fifth end is provided with a There is a notch, and the width of the part of the installation groove adjacent to the fifth end is greater than the width of the part of the installation groove adjacent to the sixth end.
  • the installation groove is provided to facilitate the fixing of the partition in the air-mixing chamber, and the upper width and lower narrow structure of the installation groove can make the fixing effect of the partition stable and reliable.
  • the burner body is further provided with a second air inlet connected to the gas mixing chamber, and the second air inlet is provided with a detachable sealing plate for The second air inlet can be opened and closed.
  • the second air inlet that can be opened and closed makes the gas burner be in an upward air intake mode, or a simultaneous upper and lower air intake mode.
  • the present disclosure also proposes a gas stove, including the above-mentioned gas stove head.
  • the gas stove further includes a gas distribution plate, the gas distribution plate is arranged on the burner body, and the gas distribution plate is opposite to the gas supply chamber, so
  • the burner body is provided with a first connecting piece
  • the gas distribution plate has a second connecting piece
  • the first connecting piece cooperates with the second connecting piece to limit the displacement of the gas distribution plate in its radial direction .
  • the first connecting piece and the second connecting piece cooperate so that the gas distribution plate can be kept stable.
  • Fig. 1 shows a schematic diagram of a partition plate of a gas burner according to an embodiment of the present disclosure
  • Fig. 2 shows a schematic diagram of an installation groove of a gas burner head according to an embodiment of the present disclosure
  • Fig. 3 shows a schematic diagram of the internal structure of a gas burner according to an embodiment of the present disclosure
  • Fig. 4 shows a schematic diagram of another perspective view of the internal structure of a gas burner head according to an embodiment of the present disclosure
  • Fig. 5 shows a schematic bottom view of a gas burner head according to an embodiment of the present disclosure
  • Fig. 6 shows a schematic diagram of a sealing plate of a gas burner according to an embodiment of the present disclosure
  • Fig. 7 shows a schematic diagram of the overall structure of a gas stove according to an embodiment of the present disclosure
  • Fig. 8 shows a schematic diagram of the internal structure of a gas stove according to an embodiment of the present disclosure
  • Fig. 9 shows a schematic front view of a gas stove according to an embodiment of the present disclosure.
  • 100-burner body 110-air mixing chamber, 111-gas inlet, 112-first air inlet, 113-second air inlet, 114-first mixing part, 115-second mixing Air part, 116-installation groove, 120-first injection cavity, 121-first part, 122-second part, 130-guiding cavity, 140-air supply cavity, 141-first cavity, 142-second Cavity, 150-the second injection cavity, 160-the first connecting piece;
  • a gas stove is a device that uses gaseous fuel as a raw material. It forms a mixed gas by mixing the gaseous fuel with air, ignites the mixed gas through an ignition device to generate a flame, and continuously supplies the mixed gas to keep the burning flame for a long time.
  • the gas burner in the present disclosure includes a burner body 100, which is a basic component of the gas burner, and the burner body 100 can provide an installation basis for at least some other components of the gas burner. Because the gas stove will generate high-temperature flames during the working process, the burner body 100 can be made of high-temperature-resistant metal material, specifically, it can be made of copper alloy, so that the burner body 100 will not be deformed during the working process of the gas stove. .
  • the burner body 100 has a gas mixing cavity 110 , a flow guide cavity 130 , a gas supply cavity 140 and a first injection cavity 120 , and the above-mentioned multiple cavities are all arranged inside the burner body 100 .
  • the furnace head body 100 can adopt an integral structure, and the furnace head body 100 can have a gas mixing chamber 110, a flow guide chamber 130, a gas supply chamber 140, and a first injection chamber 120 by casting, so that the furnace
  • the head body 100 has better structural strength, so that the reliability and durability of the burner body 100 are better.
  • the difficulty of preparing the burner body 100 can also be reduced, which is beneficial to large-scale production.
  • the burner body 100 is provided with a gas inlet 111 and a first air inlet 112, the gas inlet 111 can be connected to a gas pipeline, so that gas fuel can enter the burner body 100 through the gas inlet 111, the second An air inlet 112 is an opening provided on the surface of the burner body 100 , so that outside air can enter into the burner body 100 through the first air inlet 112 .
  • Both the gas inlet 111 and the first air inlet 112 communicate with the gas mixing chamber 110 , so that gas fuel and air can both enter into the gas mixing chamber 110 , so that the gas fuel and air start to mix.
  • the gaseous fuel and air After the gaseous fuel and air are mixed, they can enter the air supply chamber 140, and an ignition device can be arranged in the air supply chamber 140 or outside the air supply chamber 140 near the air supply chamber 140. The mixture is ignited to create a flame.
  • the flow guide chamber 130 and the air mixing chamber 110 are arranged on both sides of the air supply chamber 140 , and the flow guide chamber 130 and the air mixing chamber 110 communicate through the first injection chamber 120 .
  • the diversion chamber 130 and the gas mixing chamber 110 are separated by the gas supply chamber 140 so that the diversion chamber 130 and the gas mixing chamber 110 have a certain distance, therefore, the mixed gas in the gas mixing chamber 110 reaches the gas supply chamber 140 needs to pass through the first injection cavity 120 and the flow guide cavity 130, which can increase the stroke of the mixed gas to the gas supply cavity 140, so that the mixed gas can pass through the first injection cavity 120 and the flow guide cavity 130 Can be mixed thoroughly.
  • the ignition device ignites the fully mixed gas to make the mixed gas burn more fully, thereby making the flame produced stronger.
  • the mixed gas in the gas mixing chamber 110 needs to enter the gas supply chamber 140 through the first injection chamber 120 and the guide chamber 130, the mixed gas reaching the gas supply chamber 140 can be fully mixed. , so that the flame intensity generated after the mixed gas at the gas supply chamber 140 is ignited remains stable.
  • the above-mentioned guide cavity 130 can be set to be bent relative to the first injection cavity 120, so that after the mixed gas reaches the end of the first injection cavity 120, the inner wall of the end of the first injection cavity 120 has the ability to block the mixed gas. function, so that the flow rate of the mixed gas slows down, and at the same time, the mixed gas needs to turn into the guide cavity 130, so that the time required for the mixed gas to pass through the first injection cavity 120 is longer, and the mixed gas can be more fully mixed .
  • the above-mentioned gas supply cavity 140 can be set to be bent relative to the flow guidance cavity 130, so that the mixed gas will be guided after entering the flow guidance cavity 130 and moving to the connection between the flow guidance cavity 130 and the gas supply cavity 140
  • the inner wall of the cavity 130 is blocked, thereby slowing down the flow rate of the mixed gas, and at the same time, the mixed gas needs to turn into the gas supply cavity 140, so that the time for the mixed gas to pass through the diversion cavity 130 is longer, so that the mixed gas can be further mixed fully .
  • first injection cavity 120 and the flow guide cavity 130 When the mixed gas passes through the first injection cavity 120 and the flow guide cavity 130 , it needs to turn multiple times, so that the mixed gas can be fully mixed.
  • multiple first injection chambers 120 and flow guide chambers 130 can also be provided, and two adjacent cavities are bent to each other, so that the stroke of the mixed gas can be further increased, so that the gaseous fuel and air Mix more thoroughly.
  • the first injection cavity 120 , the guide cavity 130 and the air supply cavity 140 that are bent and arranged with each other can also increase the length of the air path between the gas mixing cavity 110 and the gas supply cavity 140, making the gas mixing cavity
  • the distance between 110 and the gas supply chamber 140 is constant, so that correspondingly, the volume of the burner body 100 does not need to be set too large, so that the space occupied by the burner body 100 is also small.
  • the inner wall of the first injection cavity 120 and the inner wall of the guide cavity 130 will block the air flow formed by the mixed gas, although this can prolong the flow of the mixed gas.
  • the time spent in the first ejection cavity 120 and the flow guide cavity 130 may also cause the mixed gas to accumulate at the above-mentioned connection, thereby causing the air passage between the gas mixing cavity 110 and the gas supply cavity 140 to be blocked.
  • the connection between the first injection cavity 120 and the guide cavity 130 can be through a curved transition, and the curved transition can play a role in guiding the mixed gas.
  • the diversion cavity 130 is bent relative to the first injection cavity 120, and when the mixed gas reaches the connection between the diversion cavity 130 and the first injection cavity 120, the curved transition can guide the mixed gas through the above-mentioned connection place, so that the mixed gas can smoothly enter the guide cavity 130, and prevent the mixed gas from being blocked by the inner wall of the first injection cavity 120 and accumulate in the first injection cavity 120, so that the first injection cavity 120 and the first injection cavity
  • the air path between the guide chambers 130 is unobstructed.
  • the inner wall of the first injection cavity 120 adjacent to the flow guide cavity 130 is bent toward the flow guide cavity 130, so that when the mixed gas reaches the part of the first injection cavity 120 adjacent to the flow guide cavity 130, the mixed gas is in the Coanda effect. It can move along the curved inner wall of the first injection cavity 120 under the influence of the curved inner wall, which can play a role in guiding the mixed gas, which can prevent the airflow formed by the mixed gas from directly hitting the inner wall of the first injection cavity 120 and being block, so that the mixed gas can smoothly pass through the junction of the first injection cavity 120 and the flow guide cavity 130 .
  • the flow guide cavity 130 and the gas supply cavity 140 can also be connected through a curved transition.
  • the gas supply cavity 140 is bent relative to the flow guide cavity 130.
  • the curved transition can guide the mixed gas to pass through the above-mentioned junction, so that the mixed gas can enter the gas supply chamber 140 smoothly, preventing the mixed gas from being blocked by the inner wall of the diversion chamber 130 and accumulated in the diversion In the chamber 130, the gas path between the guide chamber 130 and the air supply chamber 140 is normal.
  • the inner wall of the guide cavity 130 adjacent to the second opening is bent toward the gas supply cavity 140, so that when the mixed gas reaches the part of the guide cavity 130 adjacent to the gas supply cavity 140, the mixed gas can travel along the wall under the influence of the Coanda effect. Move along the curved inner wall of the guide chamber 130, which can prevent the airflow formed by the mixed gas from directly impacting the inner wall of the guide chamber 130 and being blocked, so that the mixed gas can pass through the junction of the guide chamber 130 and the gas supply chamber 140 smoothly .
  • the air mixing cavity 110 and the air supply cavity 140 By setting a curved transition at the connection between the first injection cavity 120 and the flow guide cavity 130, and setting a curved transition at the connection between the flow guide cavity 130 and the air supply cavity 140, the air mixing cavity 110 and the air supply cavity 140 The gas path of the gas is unobstructed, so that the mixed gas can reach the gas supply chamber 140 continuously and stably, and finally the flame generated by the ignition device igniting the mixed gas at the gas supply chamber 140 is stabilized.
  • the gas burner head of the present disclosure by arranging the gas mixing chamber 110 and the flow guiding cavity 130 on both sides of the gas supply cavity 140, there is a certain distance between the gas mixing cavity 110 and the flow guiding cavity 130, and the first guiding cavity
  • the injection cavity 120 is connected between the gas mixing cavity 110 and the gas supply cavity 140, so that the mixed gas in the gas mixing cavity 110 needs to pass through the first injection cavity 120 and the flow guide cavity 130 to enter the gas supply cavity 140, thereby The stroke of the gas reaching the gas supply chamber 140 is increased, so that the mixed gas is fully mixed during the moving process.
  • the transition connection can guide the mixed gas into the first injection cavity 120 and the gas mixing cavity 110 to prevent The mixed gas stays and accumulates at the above connection, so that the air path between the mixed gas chamber 110 and the gas supply chamber 140 is unobstructed.
  • the above-mentioned first injection cavity 120 and the flow guide cavity 130 can also be connected through a bend transition.
  • the inner wall of the first injection cavity 120 close to the flow guide cavity 130 can be set to face
  • the inclined surface of the diversion chamber 130 can also guide the mixed gas so that the mixed gas can move into the diversion chamber 130 along the inclined surface.
  • the connection between the guide cavity 130 and the gas supply cavity 140 can also be excessively bent, so that the mixed gas located at the connection between the flow guide cavity 130 and the gas supply cavity 140 can also be guided into the gas supply cavity 140 .
  • the above-mentioned inclined plane can also be set as a multi-segment inclined plane, a multi-segment curved surface, or a mixed surface of a multi-segment inclined plane and a multi-segment curved surface, which can guide the mixed gas and make the air path between the gas mixing chamber 110 and the gas supply chamber 140 unobstructed. Purpose.
  • the first injection chamber 120 has a first end and a second end, wherein the first end is connected to the diversion chamber 130, the second end is connected to the air mixing chamber 110, and the diversion chamber 130 is connected to the air supply chamber.
  • One end of the chamber 140 is connected to bend toward the fourth end of the first injection chamber 120, so that the air supply chamber 140 connected to the guide chamber 130 is relatively close to the gas mixing chamber 110, so that the first introduction chamber 120, the guide chamber
  • the length of the overall structure formed by connecting the cavity 130 and the gas supply cavity 140 is relatively short, so that the length of the burner body 100 does not have to be set too long, and finally the gas burner is easy to install and place.
  • the part of the above-mentioned first injection cavity 120 adjacent to the flow guide cavity 130 is the first part 121
  • the part of the first injection cavity 120 away from the flow guide cavity 130 is the second part 122
  • the flow guide cavity 130 and the second flow guide cavity The first part 121 of an injection cavity 120 is arranged oppositely, so that the guide cavity 130 is not arranged along the extension direction of the first injection cavity 120, correspondingly, after the flow guide cavity 130 is connected with the first injection cavity 120
  • the overall structure is more compact.
  • the above-mentioned air supply cavity 140 is arranged opposite to the second part 122 of the first injection cavity 120, so that the guide cavity 130 and the air supply cavity 140 are both arranged on one side of the first injection cavity 120, so that the first injection cavity
  • the cavity 120 , the guide cavity 130 and the gas supply cavity 140 are more compact in structure, occupying less space in the burner body 100 , and correspondingly, the volume of the burner body 100 can also be reduced.
  • the above-mentioned air supply cavity 140 can also be arranged to be adjacent to the outer wall of the first injection cavity 120.
  • the outer wall of the first injection cavity 120 is the inner wall of the air supply cavity 140
  • the outer wall of the air supply cavity 140 is The inner wall of the first injection cavity 120 can make there is no gap between the first injection cavity 120 and the air supply cavity 140 , thereby further making the internal structure of the burner body 100 more compact.
  • the above-mentioned air supply chamber 140 is composed of a first chamber part 141 and a second chamber part 142.
  • the first chamber part 141 is arranged around the second chamber part 142, and the mixture of gaseous fuel and air can be Entering into the first cavity 141 and the second cavity 142, the ignition device can ignite the mixed gas in the first cavity 141 and the mixed gas in the second cavity 142, so that in the first cavity 141 A central flame is generated above, and a peripheral flame around the central flame is generated above the first chamber portion 141 .
  • the central flame and the peripheral flame act on the object to be heated at the same time, so that the object to be heated can be heated evenly, so that the heating effect of the gas stove using the gas burner head is better.
  • first cavity portion 141 and the second cavity portion 142 may also be disposed opposite to each other or intersecting, and the present application does not limit the specific arrangement of the first cavity portion 141 and the second cavity portion 142 .
  • the first chamber part 141 is in communication with the diversion chamber 130 , and the mixed gas in the gas mixing chamber 110 enters into the first chamber part 141 after passing through the first injection chamber 120 and the diversion chamber 130 .
  • the burner body 100 is also provided with a second ejection chamber 150, one end of the second ejection chamber 150 communicates with the gas mixing chamber 110, and the other end of the second ejection chamber 150 communicates with the second chamber portion 142, so that the gas mixture Part of the mixed gas in the cavity 110 can enter into the second cavity portion 142 through the second injection cavity 150 , so that the second cavity portion 142 is filled with the mixed gas.
  • the mixed gas is separately injected into the first cavity part 141 and the second cavity part 142 through the first injection cavity 120 and the second injection cavity 150, because the first injection cavity 120 and the second injection cavity 150 are independent of each other Yes, the airflow passing through the first injection chamber 120 and the airflow passing through the second injection chamber 150 are also independent of each other and will not interfere with each other, so that the amount of the mixed gas in the first chamber part 141 and the second chamber part 142 can be maintained Stabilize, and finally make the flame formed above the first chamber part 141 and the flame formed above the second chamber part 142 remain stable.
  • the second injection cavity 150 can be set with its extending direction offset from the center of the second cavity part 142. Specifically, the flow direction of the mixed gas discharged from the second injection cavity 150 will not directly The center of the second cavity portion 142, the mixed gas needs a certain time to diffuse to be filled with the second cavity portion 142 after entering the second cavity portion 142 like this, and the mixed gas can also be further mixed in the second cavity portion 142, thereby The contact between the gaseous fuel and the air is more sufficient, and finally the mixed gas in the second chamber portion 142 is more fully combusted.
  • the cross-section of the second cavity 142 in its height direction can be set to a circle, so that the second cavity 142 is a cylindrical structure as a whole.
  • the inner wall of the second cavity 142 is an arc-shaped inner wall, so that the second cavity
  • the inner wall of the part 142 has the function of guiding the mixed gas, and the mixed gas entering the second cavity part 142 through the second injection cavity 150 can swim along the arc-shaped inner wall of the second cavity part 142 under the influence of the Coanda effect. so that the concentration of the mixed gas in each part of the second cavity 142 can be balanced.
  • the extension direction of the second injection cavity 150 can be set to be tangent to the second cavity portion 142, so that the second injection cavity 150 can be at the edge of the second cavity portion 142, and the second injection cavity The gas mixture entering the second cavity 142 is farthest from the center of the second cavity 142 .
  • the cross-section of the above-mentioned second cavity portion 142 in its height direction can also be set as a rectangle, and one end of the second injection cavity 150 can be set to be connected to the corner of the second cavity portion 142, so that the second injection cavity
  • the distance between the junction of 150 and the second cavity 142 and the center of the second cavity 142 is the largest, so that the above-mentioned effect that the second injection cavity 150 is tangent to the edge of the second cavity 142 can also be achieved.
  • the second injection cavity 150 can be bent, specifically "spiral bending” or “Z-shaped bending", which can Increasing the length of the second injection cavity 150 makes the journey of the mixed gas to reach the second cavity portion 142 longer.
  • the application does not limit the specific cavity shape of the second injection cavity 150 .
  • the second ejection chamber 150 has a third end and a fourth end, wherein the third end communicates with the second chamber portion 142 , and the fourth end communicates with the air mixing chamber 110 .
  • the third end is bent toward the fourth end, so that the second chamber 142 connected to the third end is relatively close to the gas mixing chamber 110, so that the overall structural length of the second injection chamber 150 connected to the enemy chamber 142 is shorter.
  • the length of the burner body 100 is shortened, and finally the gas burner is easy to install and place.
  • the second cavity portion 142 is located on one side of the extension direction of the second injection cavity 150, and the projection of the second cavity portion 142 on the second injection cavity 150 is located in the second injection cavity 150, so that The overall structure formed by the connection of the second cavity part 142 and the second injection cavity 150 is more compact, which facilitates setting the second injection cavity 150 and the second cavity part 142 in the burner body 100 .
  • a partition 300 can be provided in the above-mentioned gas mixing chamber 110, and the partition 300 can divide the interior of the gas mixing chamber 110 into multiple regions.
  • the two sides of the partition 300 are respectively the first mixing The gas part 114 and the second gas mixing part 115, so that the gas fuel entering the gas mixing chamber 110 through the gas inlet 111 is divided into two parts by the separator 300, and the two parts of gas fuel are respectively located in the first gas mixing part 114 and the gas mixing part 110.
  • Inside the second mixing part 115 The air entering the air mixing chamber 110 through the first air inlet 112 is also divided into two parts by the partition plate 300 , and the two parts of air enter into the first air mixing part 114 and the second air mixing part 115 respectively.
  • the gaseous fuel and air in the first aeration part 114 are separately mixed, and the gaseous fuel and air in the second aeration part 115 are also separately mixed.
  • the first gas mixing part 114 is connected to the first injection cavity 120 , and the gas mixture in the first gas mixing part 114 can enter the first cavity part 141 through the first injection cavity 120 and the flow guide cavity 130 .
  • the second gas mixing part 115 is connected to the second injection cavity 150 , and the gas mixture in the second gas mixing part 115 can enter into the second cavity part 142 through the second injection cavity 150 . This can prevent the mixed gas entering the first injection cavity 120 and the mixed gas entering the second injection cavity 150 from interfering with each other, so that the flow rate of the mixed gas entering the first cavity part 141 and the second cavity part 142 remains stable, Finally, the combustion flame above the first cavity portion 141 and the combustion flame above the second cavity portion 142 can be kept stable.
  • the partition plate 300 is detachably arranged in the gas mixing chamber 110, so that when the partition plate 300 is disassembled from the gas mixing chamber 110, the space in the gas mixing chamber 110 can be increased, which can facilitate the installation of components in the gas mixing chamber chamber 110, or disassemble the components in the gas mixing chamber 110.
  • nozzles are provided in the gas mixing chamber 110, and the nozzles are connected to the gas fuel pipeline so that the gas fuel can enter into the gas mixing chamber 110.
  • the separator 300 After the separator 300 is disassembled, the operator has a larger available operating space for The nozzle is removed from the gas mixing chamber 110 or the nozzle is installed in the gas mixing chamber 110 .
  • it is also convenient to install or disassemble other components in the gas mixing chamber 110 .
  • an installation groove 116 can be provided on the inner wall of the gas mixing chamber 110. Slot 116 , so that the separator 300 is fixed in the gas mixing chamber 110 .
  • the side of the partition 300 facing away from the installation groove 116 can be against the inner wall of the gas mixing chamber 110, so that the partition 300 can be kept stable.
  • the mounting groove 116 has opposite fifth and sixth ends, the fifth end is provided with a notch, so that the partition 300 can be inserted into the mounting groove through the notch, the sixth end is at the bottom of the mounting groove 116, and the mounting groove 116 is adjacent
  • the width of the portion at the fifth end is greater than the width of the portion adjacent to the sixth end, so that the installation groove 116 can be in a structure that is wide at the top and narrow at the bottom.
  • the separator 300 also has a relatively thicker side on one side and a relatively thinner side on the other side. This facilitates the insertion of the partition 300 into the installation slot 116 and makes the partition 300 stable after being fully inserted into the installation slot 116 .
  • the air mixing chamber 110 may also be provided with a second air inlet 113 , so that the air mixing chamber 110 has multiple air inlets to increase the air flow. Specifically, when the gas stove is required to generate a flame with greater firepower, the flow rate of the gas fuel passing through the gas inlet 111 can be increased, and at the same time, the requirement for the air flow rate is also increased accordingly.
  • the second air inlet 113 can be set as a structure that can be opened and closed. Specifically, when the flow of gas fuel entering the gas mixing chamber 110 through the gas inlet 111 is small, the second air inlet 113 can be set to In the closed state, at this time, the external air can only enter the gas mixing chamber 110 through the first air inlet 112, so that the amount of air entering the gas mixing chamber 110 is the same as that entering through the gas inlet 111. The amount of the gaseous fuel in the mixed gas chamber 110 is adjusted so that the concentration of each component of the mixed gas reaches an optimum concentration.
  • the second air inlet 113 can be opened to increase the flow of air entering into the gas mixing chamber 110, so that the gas mixture
  • the amount of air within the air chamber 110 is matched to the amount of gaseous fuel.
  • the burner body 100 is provided with a detachable sealing plate 400.
  • the sealing plate 400 is connected to the burner body 100, the sealing plate 400 is sealed to the second air inlet 113, so that the second air inlet 113 was closed.
  • the sealing plate 400 is detached from the second air inlet 113, the second air inlet 113 is in an open state.
  • the burner body 100 can be provided with screw holes along the edge of the second air inlet 113, and the sealing plate 400 can be set on the screw holes on the burner body 100 to correspond to the screw holes. After the holes are aligned, bolts are screwed in to fix the sealing plate 400 on the burner body 100 to block the second air inlet 113, and the sealing plate 400 can be tightly connected to the burner body 100 through the bolt connection.
  • the cover and the burner body 100 can also be connected by buckles, so that the cover 400 can be easily disassembled.
  • the application does not limit the specific connection method between the sealing plate 400 and the burner body 100 .
  • the present disclosure also proposes a gas stove, including the above-mentioned gas burner.
  • the above-mentioned gas stove further includes a gas distribution plate 500 disposed on the burner body 100 , and the gas distribution plate 500 is disposed opposite to the gas supply chamber 140 .
  • the air distribution plate 500 is arranged above the air supply cavity 140, and the function of the air distribution plate 500 is to introduce secondary air, so that external air can also enter the air supply cavity 140 through the air distribution plate 500, so that the air supply The mixed gas in the air cavity 140 burns more fully.
  • the first connecting piece 160 can be set on the burner body 100, and the second connecting piece 510 can be set on the gas distribution plate 500.
  • the first connecting piece 160 can cooperate with the second connecting piece 510, so that the gas distribution plate 500 can be fixed on the burner body 100, and limit the radial displacement of the gas distribution plate 500.
  • the first connecting part 160 can be a step provided on the burner body 100
  • the second connecting part 510 can be a step provided on the gas distribution plate 500
  • the steps on the burner body 100 and the gas distribution plate 500 The upper steps cooperate with each other, so that the gas distribution plate 500 can be clamped on the burner body 100, thereby limiting the displacement of the gas distribution plate 500 in its radial direction, so that the gas distribution plate 500 remains stable.
  • gas stove head disclosed in the present disclosure can also be applied to other gas stoves, for example, gas stoves using liquid fuel as a raw material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Abstract

La présente invention concerne un brûleur à gaz. Le brûleur à gaz comprend un corps de brûleur (100), ledit corps (100) comprenant en son intérieur une cavité de mélange de gaz (110), une première cavité d'éjection (120), une cavité de guidage d'écoulement (130) et une cavité d'alimentation en gaz (140) ; le corps de brûleur (100) comporte un orifice d'entrée de gaz (111) et un premier orifice d'entrée d'air (112), qui sont en communication avec la cavité de mélange de gaz (110) ; la cavité de mélange de gaz (110) et la cavité de guidage d'écoulement (130) sont disposées respectivement des deux côtés de la cavité d'alimentation en gaz (140), et la cavité de guidage d'écoulement (130) est en communication avec la cavité d'alimentation en gaz (140) ; deux extrémités de la première cavité d'éjection (120) sont respectivement en communication avec la cavité de mélange de gaz (110) et la cavité d'alimentation en gaz (140) ; la première cavité d'éjection (120) est en liaison de transition incurvée avec la cavité de guidage d'écoulement (130) ; et la cavité de guidage d'écoulement (130) est également en liaison de transition incurvée avec la cavité d'alimentation en gaz (140). L'agencement de la transition incurvée permet de guider des gaz mélangés dans la cavité de guidage d'écoulement (130) et la cavité d'alimentation en gaz (140), de sorte qu'un trajet de gaz à l'intérieur du brûleur à gaz ne soit pas obstrué.
PCT/CN2022/083296 2021-08-03 2022-03-28 Brûleur à gaz et cuisinière à gaz WO2023010867A1 (fr)

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EP22851592.0A EP4317782A1 (fr) 2021-08-03 2022-03-28 Brûleur à gaz et cuisinière à gaz

Applications Claiming Priority (4)

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CN202110888122.9A CN115704560A (zh) 2021-08-03 2021-08-03 一种燃气炉头及燃气灶
CN202110887955.3 2021-08-03
CN202110888122.9 2021-08-03
CN202110887955.3A CN115704559A (zh) 2021-08-03 2021-08-03 一种燃气炉头及燃气灶

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030075164A1 (en) * 2001-10-24 2003-04-24 Bernard Dane Gas burner of atmospheric type
CN106439809A (zh) * 2016-09-29 2017-02-22 中山市和美电器燃具有限公司 一种上进风三环火大功率燃烧器
CN107860000A (zh) * 2017-12-20 2018-03-30 刘卫玉 灶具炉头
CN210688216U (zh) * 2019-09-09 2020-06-05 佛山市顺德区美的洗涤电器制造有限公司 燃烧器的炉头、燃烧器和燃气灶具
CN211450917U (zh) * 2019-11-25 2020-09-08 中山市秋意厨卫电器有限公司 一次空气可调式上进风灶具燃烧器
CN215570438U (zh) * 2021-08-03 2022-01-18 芜湖美的智能厨电制造有限公司 一种燃气炉头及燃气灶
CN215570440U (zh) * 2021-08-03 2022-01-18 芜湖美的智能厨电制造有限公司 一种燃气炉头及燃气灶
CN215570439U (zh) * 2021-08-03 2022-01-18 芜湖美的智能厨电制造有限公司 一种燃气炉头及燃气灶

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030075164A1 (en) * 2001-10-24 2003-04-24 Bernard Dane Gas burner of atmospheric type
CN106439809A (zh) * 2016-09-29 2017-02-22 中山市和美电器燃具有限公司 一种上进风三环火大功率燃烧器
CN107860000A (zh) * 2017-12-20 2018-03-30 刘卫玉 灶具炉头
CN210688216U (zh) * 2019-09-09 2020-06-05 佛山市顺德区美的洗涤电器制造有限公司 燃烧器的炉头、燃烧器和燃气灶具
CN211450917U (zh) * 2019-11-25 2020-09-08 中山市秋意厨卫电器有限公司 一次空气可调式上进风灶具燃烧器
CN215570438U (zh) * 2021-08-03 2022-01-18 芜湖美的智能厨电制造有限公司 一种燃气炉头及燃气灶
CN215570440U (zh) * 2021-08-03 2022-01-18 芜湖美的智能厨电制造有限公司 一种燃气炉头及燃气灶
CN215570439U (zh) * 2021-08-03 2022-01-18 芜湖美的智能厨电制造有限公司 一种燃气炉头及燃气灶

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