WO2018018759A1 - Brûleur et cuisinière à gaz - Google Patents

Brûleur et cuisinière à gaz Download PDF

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Publication number
WO2018018759A1
WO2018018759A1 PCT/CN2016/102202 CN2016102202W WO2018018759A1 WO 2018018759 A1 WO2018018759 A1 WO 2018018759A1 CN 2016102202 W CN2016102202 W CN 2016102202W WO 2018018759 A1 WO2018018759 A1 WO 2018018759A1
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WO
WIPO (PCT)
Prior art keywords
bottom cup
air
air outlet
burner
hole
Prior art date
Application number
PCT/CN2016/102202
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English (en)
Chinese (zh)
Inventor
薛猛
冯敏成
叶茂锋
黄河
Original Assignee
广东美的厨房电器制造有限公司
美的集团股份有限公司
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 CN201610616668.8A external-priority patent/CN106287693B/zh
Priority claimed from CN201610613813.7A external-priority patent/CN106224956B/zh
Application filed by 广东美的厨房电器制造有限公司, 美的集团股份有限公司 filed Critical 广东美的厨房电器制造有限公司
Publication of WO2018018759A1 publication Critical patent/WO2018018759A1/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

Definitions

  • the invention relates to the field of kitchenware, in particular to a burner and a gas cooker.
  • the burner design in order to ensure uniform and stable burner flame, the burner design generally requires that the gas outlets of the gas are symmetrically distributed on both sides of the inlet, and the distance between the inlet and the outlet is equal, and the pressure is equal, thereby achieving equal flow.
  • a structural design is complicated, and the corresponding mold processing is complicated, the mold cost is high, and the mold life is short, thereby increasing the cost of the burner.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention needs to provide a burner and a gas cooktop.
  • the burner of the embodiment of the present invention includes a bottom cup and a fire extinguisher, the bottom cup is provided with a bottom cup air inlet, at least two bottom cup air outlets, and an equal pressure chamber, and the equal pressure chamber communicates with the bottom cup An air inlet and the at least two bottom cup air outlets, the fire extinguisher is disposed on the bottom cup, the fire extinguisher is provided with at least two air inlet channels, and each of the air inlet channels and a corresponding one The bottom cup air outlet is connected.
  • the pressure in the equal pressure chamber can be naturally formed at the same place, and the outlet of the at least two bottom cups can be realized.
  • the gas gas flow has the same air pressure, so that it is not necessary to specially design the position of the at least two bottom cup air outlets, thereby simplifying the mold processing process of the bottom cup and reducing the cost of the burner.
  • the isostatic chamber is opened at the bottom of the bottom cup.
  • the bottom cup comprises a bottom cup body and a bottom cup bottom cover, and the fire extinguisher is disposed on the bottom cup body,
  • the bottom cup body is provided with a groove, and the bottom cup bottom cover is connected with the bottom cup body to form the equal pressure cavity together with the groove.
  • a sidewall of the bottom cup body is formed with an air inlet portion, and the air inlet portion is provided with the bottom cup air inlet.
  • the bottom cup is provided with a communication cavity spaced apart from the equal pressure cavity, the bottom surface of the communication cavity is provided with at least two air outlets, and each of the air outlets is provided with one bottom cup Air outlet.
  • the fire extinguisher comprises at least two air guiding columns, each of the air guiding columns is provided with one of the air inlet channels, and the air guiding column is opposite to the air outlet portion.
  • the intake passage gradually changes along an air outlet direction of the bottom cup air outlet.
  • the burner includes a fire cover, and the fire cover is disposed on the fire extinguisher, and the fire cover and the plurality of fire teeth together form a plurality of fire holes.
  • the bottom cup is provided with a mounting passage spaced from the equal pressure chamber, the fire extinguisher is provided with a first mounting through hole, and the fire cover is provided with a second mounting through hole, the first installation The through hole communicates with the mounting passage and the second mounting through hole.
  • a gas cooker according to an embodiment of the present invention includes the burner of any of the above embodiments.
  • the pressure in the equal pressure chamber can be naturally formed at the same place, and then the outlet of the at least two bottom cups can be realized.
  • the gas gas flow has the same air pressure, so that it is not necessary to specially design the position of the at least two bottom cup air outlets, thereby simplifying the mold processing process of the bottom cup and reducing the cost of the burner.
  • a burner according to another embodiment of the present invention includes a bottom cup and a fire extinguisher, and the bottom cup is provided with a bottom cup air inlet, a first bottom cup air outlet, a second bottom cup air outlet, and a linear air flow passage.
  • the air flow passage communicates with the bottom cup air inlet and the first bottom cup air outlet and the second bottom cup air outlet, the first bottom cup air outlet and the second bottom cup air outlet.
  • the air flow channel is disposed in the axial direction, and the air flow channel is provided with an adjusting portion, the adjusting portion is located between the first bottom cup air outlet and the second bottom cup air outlet, and the adjusting portion is provided with an adjusting hole
  • the adjusting hole is configured to adjust a flow rate of the air flow of the second bottom cup air outlet and a flow rate of the air flow of the first bottom cup air outlet, the fire extinguisher is disposed on the bottom cup, and the fire extinguisher is opened a first intake passage and a second intake passage, the first intake passage being in communication with the first bottom cup outlet, and the second intake passage being in communication with the second bottom cup outlet.
  • the diameter of the air flow of the two bottom cup outlets can be made equal by adjusting the diameter of the adjusting hole, so that the position of the two bottom cup air outlets is not required to be specially designed, thereby simplifying the bottom cup.
  • the mold processing process and the cost of the burner are reduced.
  • the air flow passage is opened at the bottom of the bottom cup.
  • the air flow passage has a cylindrical shape
  • the adjusting portion is an annular structure protruding from an inner wall of the air flow passage, and an aperture of the adjustment hole is smaller than an aperture of the air flow passage.
  • the adjusting portion is located at an intermediate position between the first bottom cup air outlet and the second bottom cup air outlet.
  • the side wall of the bottom cup is formed with an air inlet portion, and the air inlet portion is provided with the bottom cup air inlet.
  • the bottom cup is provided with a communication cavity spaced apart from the air flow passage, and a bottom surface of the communication cavity is provided with a first air outlet portion and a second air outlet portion, and the first air outlet portion is provided with the first a bottom cup air outlet, the second air outlet portion is provided with the second bottom cup air outlet.
  • the fire extinguisher includes a first air guiding column and a second air guiding column, the first air guiding column is provided with the first air inlet channel, and the second air guiding column is provided with the second air guiding column An intake passage, the first air guide column is opposite to the first air outlet portion, and the second air guide column is opposite to the second air outlet portion.
  • the first intake passage gradually changes along an air outlet direction of the first bottom cup air outlet
  • the second air intake passage gradually changes along an air outlet direction of the second bottom cup air outlet
  • the burner comprises a fire cover
  • the fire cover is disposed on the fire extinguisher
  • the bottom cup is provided with a mounting passage spaced from the air flow passage
  • the fire extinguisher is provided with a first installation pass a hole
  • the fire cover is provided with a second mounting through hole
  • the first mounting through hole communicates with the mounting channel and the second mounting through hole.
  • a gas cooker according to an embodiment of the present invention includes the burner of any of the above embodiments.
  • the gas cooker according to the embodiment of the present invention can adjust the aperture of the adjusting hole to make the air flow rates of the two bottom cup air outlets equal, so that the position of the two bottom cup air outlets is not required to be specially designed, thereby simplifying the mold processing of the bottom cup. Process and reduce the cost of the burner.
  • FIG. 1 is a schematic perspective view of a burner according to an embodiment of the present invention.
  • FIG. 2 is a schematic plan view of a burner of an embodiment of the present invention.
  • Figure 3 is a schematic cross-sectional view of the burner of Figure 2 taken along line A-A.
  • FIG. 4 is an exploded perspective view of a burner according to an embodiment of the present invention.
  • Fig. 5 is another perspective exploded view of the burner of the embodiment of the present invention.
  • Fig. 6 is a partial cross-sectional view showing the burner of the embodiment of the present invention.
  • Fig. 7 is a schematic perspective view of a bottom cup of a burner according to an embodiment of the present invention.
  • Fig. 8 is an exploded perspective view showing the bottom cup of the burner of the embodiment of the present invention.
  • Fig. 9 is another perspective exploded view of the bottom cup of the burner of the embodiment of the present invention.
  • Figure 10 is a plan view showing a burner of another embodiment of the present invention.
  • Figure 11 is a plan view showing another perspective view of a burner according to another embodiment of the present invention.
  • Figure 12 is a cross-sectional view of the burner of Figure 11 taken along line A-A.
  • Figure 13 is an enlarged schematic view of the portion of the burner I of Figure 12 .
  • Figure 14 is an exploded perspective view of a burner according to another embodiment of the present invention.
  • Fig. 15 is another perspective exploded view of the burner of another embodiment of the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or connected in one piece. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium, which can be the internal communication of two elements or the interaction of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • FIG. 1 is a schematic perspective view of a burner according to an embodiment of the present invention.
  • 2 is a schematic plan view of a burner of an embodiment of the present invention.
  • Figure 3 is a schematic cross-sectional view of the burner of Figure 2 taken along line A-A.
  • a burner 100 of an embodiment of the present invention includes a bottom cup 10 and a fire extinguisher 20.
  • the bottom cup 10 is provided with a bottom cup air inlet 11, at least two bottom cup air outlets 12 and an equal pressure chamber 13.
  • the equal pressure chamber 13 communicates with the bottom cup inlet 11 and at least two bottom cup outlets 12.
  • the fire separator 20 is disposed at an upper portion of the bottom cup 10.
  • the firearm 20 is provided with at least two intake passages 21. Each of the intake passages 21 is in communication with a corresponding one of the bottom cup air outlets 12.
  • the gas pressures of the gas streams flowing out of the at least two bottom cup air outlets 12 can be equalized, so that the position of the at least two bottom cup air outlets 12 is not required to be specially designed, thereby simplifying the mold processing process of the bottom cup 10 and reducing the mold.
  • the cost of the burner 100 is not required to be specially designed, thereby simplifying the mold processing process of the bottom cup 10 and reducing the mold.
  • the isostatic chamber 13 is formed at the bottom of the bottom cup 10.
  • the combustor 100 includes two bottom cup air outlets 12 and two intake passages 21.
  • Two bottom cup air outlets 12 are spaced apart from the upper portion of the bottom cup 10, and each of the bottom cup air outlets 12 is in communication with a corresponding one of the intake passages 21, respectively.
  • the bottom cup air inlet 11 is provided at the bottom of the bottom cup 10. The gas flow enters the isobaric chamber 13 from the bottom cup inlet 11 and is fully diffused in the isostatic chamber 13, and then flows upward and flows out into the intake passage 21 along the two bottom cup outlets 12 respectively (as shown in the figure). 3 and the arrow in Figure 6).
  • the equal pressure chamber 13 when the equal pressure chamber 13 is disposed at the bottom of the bottom cup 10, it can ensure that the gas flow entering the isostatic chamber 13 has equal pressure, and the upper portion of the bottom cup 10 has sufficient configurable space for equal pressure.
  • the airflow flowing out of the cavity 13 stably enters the intake passage 21, that is, the stability of the flow of the airflow is ensured.
  • bottom and “upper” refer to the positional state in the normal use state after the bottom cup 10 is installed in the burner 100, such as the positional state of the bottom cup 10 shown in FIG.
  • FIG. 4 is an exploded perspective view of a burner according to an embodiment of the present invention.
  • Fig. 5 is another perspective exploded view of the burner of the embodiment of the present invention.
  • Fig. 9 is another perspective exploded view of the bottom cup of the burner of the embodiment of the present invention.
  • the bottom cup 10 includes a bottom cup body 14 and a bottom cup bottom cover 15.
  • the fire extinguisher 20 is disposed on the bottom cup body 14.
  • the bottom cup body 14 is provided with a recess 141.
  • the bottom cup bottom cover 15 is coupled to the bottom cup body 14 to form an isobaric cavity 13 with the recess 141.
  • the equal pressure chamber 13 having a simple structure is formed in combination with the bottom cup body 14, the groove 141 and the bottom cup bottom cover 15, and the processing is convenient, the use cost is low, and the equal pressure chamber 13 is disassembled and cleaned. .
  • the bottom cup body 14 and the bottom cup bottom cover 15 are connectable by welding.
  • the volume of the isostatic chamber 13 can be determined by the size of the recess 141.
  • the volume of the isostatic chamber 13 can be relatively simply set according to the specific situation.
  • an air intake portion 143 is formed in the side wall 142 of the bottom cup body 14.
  • the air inlet portion 143 is provided with a bottom cup air inlet port 11.
  • the provision of the air inlet portion 143 allows the bottom cup 10 to be easily connected to the external air supply pipe, and can also enter the airflow, etc.
  • the rectification before the pressure chamber 13 reduces the adverse effect of the pressure of the gas flow in the isostatic chamber 13.
  • the intake portion 143 has a hollow cylindrical shape.
  • the cylindrical intake portion 143 can ensure the stability of the flow of the airflow and facilitate installation.
  • Fig. 6 is a partial cross-sectional view showing the burner of the embodiment of the present invention.
  • Fig. 7 is a schematic perspective view of a bottom cup of a burner according to an embodiment of the present invention.
  • Fig. 8 is an exploded perspective view showing the bottom cup of the burner of the embodiment of the present invention.
  • the bottom cup 10 is provided with a communication cavity 144 spaced from the equal pressure chamber 13.
  • the bottom surface of the communication cavity 144 is provided with at least two air outlet portions 145.
  • Each of the air outlet portions 145 is provided with a bottom cup air outlet 12, and the bottom cup air outlet 12 is a through hole opened in the air outlet portion 145.
  • the communication cavity 144 is defined in the bottom cup body 14, and the bottom surface of the communication cavity 144 is provided with two air outlet portions 145, each of which has a hollow cylindrical shape and two air outlets.
  • the portions 145 are spaced apart and housed in the communication cavity 144.
  • the air outlet portion 145 is provided so that the airflow flowing out of the equal pressure chamber 13 can enter the intake passage 21 at a relatively constant flow rate, thereby preventing the airflow from being disturbed and affecting the stability of the combustion of the burner 100.
  • the firearm 20 includes at least two air guides 22.
  • Each air guide post 22 is provided with an intake passage 21 which is a through hole formed in the air guide post 22 .
  • the air guide post 22 is opposed to the air outlet portion 145.
  • the fire extinguisher 20 includes two air guiding columns 22, and two air guiding columns 22 are spaced apart, and each air guiding column 22 has a hollow cylindrical shape, and the air inlet passage 21 is opened at A through hole in the cylindrical gas guide column 22.
  • the two air guide columns 22 are opposed to the two air outlet portions 145.
  • the airflow flowing out of the air outlet portion 145 can enter the air guide column 22 in parallel, thereby ensuring that the flow rate of the airflow in the bottom cup air outlet 12 and the air inlet passage 21 is substantially the same.
  • the intake passage 21 tapers along the direction of the outlet of the bottom cup air outlet 12.
  • the intake passage 21 gradually changes along the outlet direction of the bottom cup outlet 12, so that the pressure of the gas gradually increases, and the flow rate of the gas gradually increases. Speed up the gas injection speed.
  • the bottom cup air outlet 12 may be provided with a nozzle (not shown).
  • the nozzles provided at the two bottom cup air outlets 12 may be of the same specification, so that an equal flow rate is obtained at each of the bottom cup air outlets 12.
  • the combustor 100 includes a fire cover 30.
  • the fire cover 30 is placed on the fire extinguisher 20.
  • the fire cover 30 and the plurality of fire teeth 23 form a plurality of fire holes 251.
  • the upper end of the side wall of the fire extinguisher 20 is formed with a plurality of fire teeth 23, and the fire cover 30 is disposed on the fire extinguisher 20 and forms a plurality of fire holes 251 together with the plurality of fire teeth 23 .
  • the gas stream can form an annular flame on the firearm 20.
  • the bottom cup 10 is provided with a mounting channel 16 spaced from the isostatic chamber 13.
  • the fire extinguisher 20 is provided with a first mounting through hole 24.
  • the fire cover 30 is provided with a second mounting through hole 31.
  • the first mounting through hole 24 communicates with the mounting passage 16 and the second mounting through hole 31.
  • the anti-dry sensor extends through the first mounting through hole 24 and the second mounting through hole 31 to the burner. 100 external.
  • the mounting channel 16 is located in the middle of the bottom cup 10, and the communication cavity 144 is partitioned into two identical cavities, and the two air outlets 145 are respectively disposed correspondingly in the two cavities.
  • the first mounting through hole 24 is located at an intermediate position of the fire extinguisher 20 and separates the two air guiding columns 22.
  • the first mounting through hole 24 is opposite to the mounting passage 16.
  • the second mounting through hole 31 is opposed to the first mounting through hole 24.
  • the first mounting through hole 24 communicates with the mounting passage 16 and the second mounting through hole 31 and integrally forms a mounting hole.
  • the upper end of the bottom cup 10 is formed with a mounting structure 17.
  • the mounting structure 17 is provided with a mounting hole 171.
  • the mounting hole 171 is for mounting a thermocouple or an ignition needle. In this way, the arrangable space of the bottom cup 10 is improved, which facilitates the integration and lightweight design of the burner 100.
  • a gas cooker according to an embodiment of the present invention includes the combustor 100 of any of the above embodiments.
  • the pressure in the equal pressure chamber 13 can be naturally formed at the same position, thereby achieving at least two bottoms.
  • the gas flows from the gas outlet 12 are equal in air pressure. Therefore, it is not necessary to specifically design the positions of the at least two bottom cup outlets 12, thereby simplifying the mold processing of the bottom cup 10 and reducing the cost of the burner 100.
  • the present invention also provides a burner 100 of another embodiment.
  • the burner 100 of the embodiment of the present invention includes a bottom cup 10 and a fire extinguisher 20.
  • the bottom cup 10 is provided with a bottom cup air inlet 11, a first bottom cup air outlet 12a and a second bottom cup air outlet 12b, and a linear air flow passage 135.
  • the air flow passage 135 communicates with the bottom cup air inlet 11 and the first bottom cup air outlet 12a and the second bottom cup air outlet 12b.
  • the first bottom cup air outlet 12a and the second bottom cup air outlet 12b are disposed along the axial direction of the air flow passage 135.
  • An adjustment portion 131 is provided in the air flow passage 135.
  • the adjustment portion 131 is located between the first bottom cup air outlet 12a and the second bottom cup air outlet 12b.
  • the adjustment portion 131 is provided with an adjustment hole 133 (see FIG. 13).
  • the adjustment hole 133 is for adjusting the flow rate of the air flow of the second bottom cup air outlet 12b and the air flow rate of the first bottom cup air outlet 12a.
  • the fire extinguisher 20 is disposed on the bottom cup 10.
  • the fire separator 20 is provided with a first intake passage 21a and a second intake passage 21b.
  • the first intake passage 21a communicates with the first bottom cup air outlet 12a.
  • the second intake passage 21b communicates with the second bottom cup air outlet 12b.
  • the burner 100 of the embodiment of the present invention can adjust the aperture of the adjustment hole 133 to make the two bottom cups out.
  • the air flow rates of the ports are equal, so that the positions of the two bottom cup air outlets need not be specially designed, thereby simplifying the mold processing process of the bottom cup 10 and reducing the cost of the burner 100.
  • the air flow passage 135 is formed at the bottom of the bottom cup 10.
  • the bottom of the bottom cup 10 is provided with a linear gas transmission pipe 13a, and the gas transmission pipe 13a is provided with an air flow passage 135.
  • One end of the gas transmission pipe 13a is opened to form a bottom cup inlet port 11, and the other end of the gas supply pipe 13a is closed.
  • the first bottom cup air outlet 12a and the second bottom cup air outlet 12b are two air outlets spaced apart from each other on the side of the gas pipeline.
  • the first bottom cup air outlet 12a is closer to the bottom cup air inlet 11 with respect to the second bottom cup air outlet 12b.
  • the gas flow enters the air flow passage 135 from the bottom air inlet 11 and is fully diffused in the air flow passage 135, and then flows upward and flows out along the first bottom cup air outlet 12a and the second bottom cup air outlet 12b to the first inlet.
  • the gas passage 21a and the second intake passage 21b (shown by arrows in Fig. 12).
  • the air flow passage 135 is disposed at the bottom of the bottom cup 10, so that the upper portion of the bottom cup 10 has sufficient arrangable space for the airflow flowing out of the airflow passage 135 to stably enter the two intake passages, thereby ensuring the stability of the airflow. Sex.
  • bottom refers to a position state in a normal use state after the bottom cup 10 is installed in the burner 100, for example, the position state of the bottom cup 10 shown in FIG.
  • the gas flow passage 135 is cylindrical.
  • the adjustment portion 131 is an annular structure that is protruded from the inner wall of the air flow passage 135.
  • the aperture d1 of the adjustment hole 133 is smaller than d2 of the aperture of the air flow passage 135.
  • the throttle effect of the adjusting portion 131 is better, and the airflow pressure entering the second bottom cup air outlet 12b can be effectively reduced, thereby simplifying the flow adjustment mode and ensuring that the flow rates of the two bottom cup air outlets are equal.
  • the adjustment portion 131 is located intermediate the first bottom cup air outlet 12a and the second bottom cup air outlet 12b.
  • the side wall 142 of the bottom cup 10 is formed with an air inlet 151.
  • the air inlet portion 151 is provided with a bottom cup air inlet port 11.
  • the provision of the inlet portion 151 allows the bottom cup 10 to be conveniently connected to the external gas delivery tube while also being rectified before the gas stream enters the gas flow passage 135, reducing the adverse effects on the gas flow pressure in the gas flow passage 135.
  • the intake portion 151 has a hollow cylindrical shape.
  • the cylindrical intake portion 151 can ensure the stability of the flow of the airflow and facilitate installation.
  • the bottom cup 10 is open with a communication cavity 144 spaced from the air flow passage 135.
  • the bottom surface of the communication cavity 144 is provided with a first air outlet portion 161 and a second air outlet portion 162 (see FIG. 12).
  • the first air outlet unit 161 is opened There is a first bottom cup air outlet 12a.
  • the second air outlet portion 12b is provided with a second bottom cup air outlet 12b.
  • the first air outlet portion 161 and the second air outlet portion 162 are all in a hollow cylindrical shape, and the first air outlet portion 161 and the second air outlet portion 162 are spaced apart and located in the communication cavity 144. .
  • the arrangement of the air outlet portion enables the airflow flowing out of the airflow passage 135 to enter the two intake passages at a relatively constant flow rate, thereby preventing the airflow from being disturbed and affecting the stability of combustion of the burner 100.
  • the firearm 20 includes a first air column 22a and a second air column 22b (see Figures 12, 14, and 15).
  • the first air guide post 22a is provided with a first intake passage 21a.
  • the second air guide passage 22b is provided with a second intake passage 21b.
  • the first air guide post 22a is opposed to the first air outlet portion 161.
  • the second air guide post 22b is opposed to the second air outlet portion 162.
  • the first air guide post 22a and the second air guide post 22b are spaced apart.
  • the two air guide columns are all in the shape of a hollow cylinder.
  • the first air inlet passage 21a and the second air inlet passage 21b are through holes respectively formed in the two cylindrical air guide columns.
  • the airflow flowing out of the two air outlets can enter the two air guide columns in parallel, thereby ensuring that the air flow rates of the two bottom cup air outlets and the two air intake channels are substantially the same.
  • the first intake passage 21a is tapered along the direction of the outlet of the first bottom cup outlet 12a
  • the second intake passage 21b is tapered along the direction of the outlet of the second bottom cup outlet 12b.
  • first bottom cup air outlet 12a and the second bottom cup air outlet 12b may be provided with a nozzle 121.
  • the nozzles 121 provided by the two bottom cup air outlets can be of the same specification, so that the same flow rate can be obtained at the two bottom cup air outlets.
  • the combustor 100 includes a fire cover 30.
  • the fire cover 30 is placed on the fire extinguisher 20.
  • the bottom cup 10 is provided with a mounting passage 16 spaced from the air flow passage 135.
  • the fire extinguisher 20 is provided with a first mounting through hole 25.
  • the fire cover 30 is provided with a second mounting through hole 31.
  • the first mounting through hole 25 communicates with the mounting passage 16 and the second mounting through hole 31.
  • an anti-dry sensor (not shown, for example, a thermocouple) is mounted on the mounting passage 16 and extends out of the burner 100 through the first mounting through hole 25 and the second mounting through hole 31.
  • the upper end of the side wall of the fire extinguisher 20 is formed with a plurality of fire teeth 26, and the fire cover 30 is disposed on the fire extinguisher 20 and forms a plurality of fire holes 261 together with the plurality of fire teeth 26.
  • the mounting passage 16 is located in the middle of the bottom cup 10, and divides the communication cavity 144 into two identical cavities, and the two outlet portions are respectively disposed on the bottom surfaces of the two cavities.
  • the first mounting through hole 25 is located at an intermediate position of the fire extinguisher 20 and separates the two air guiding columns. First mounting through hole 25 Opposite the mounting channel 16. The second mounting through hole 31 is opposed to the first mounting through hole 25. The first mounting through hole 25 communicates with the mounting passage 16 and the second mounting through hole 31 and integrally forms a mounting hole.
  • the upper end of the bottom cup 10 is formed with a mounting structure 18.
  • the mounting structure 18 is provided with a mounting hole 181.
  • the mounting hole 181 is for mounting a thermocouple or an ignition needle. In this way, the arrangable space of the bottom cup 10 is improved, which facilitates the integration and lightweight design of the burner 100.
  • a gas cooker according to an embodiment of the present invention includes the combustor 100 of any of the above embodiments.
  • the airflow of the air outlets of the two bottom cups can be made equal by adjusting the aperture of the adjusting hole 133, so that the position of the air outlets of the two bottom cups is not required to be specially designed, thereby simplifying the position of the bottom cup 10 of the bottom cup 10.
  • the mold processing process and the cost of the burner 100 are reduced.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature "above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.

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

Abstract

L'invention concerne un brûleur (100) et une cuisinière à gaz. Le brûleur (100) comprend une coupelle inférieure (10) et un distributeur (20) ; la coupelle inférieure (10) est dotée d'une admission d'air de coupelle inférieure (11), d'au moins deux évacuations d'air de coupelle inférieure (12) et d'une cavité à pression constante (13) ; l'admission d'air de coupelle inférieure (11) et les au moins deux évacuations d'air de coupelle inférieure (12) sont en communication entre elles au moyen de la cavité à pression constante (13) ; le distributeur (20) est disposé sur la coupelle inférieure (10) et est doté d'au moins deux canaux d'admission d'air (21) ; chaque canal d'admission d'air (21) est en communication avec l'évacuation d'air de coupelle inférieure correspondante (12). Selon le brûleur (100), un flux de gaz peut pénétrer dans la cavité à pression constante (13) à partir de l'admission d'air de coupelle inférieure (11), la pression qui est égale quel que soit l'endroit est naturellement formée dans la cavité à pression constante (13), et l'objectif consistant à obtenir des pressions d'air de flux de gaz s'écoulant hors des au moins deux évacuations d'air de coupelle inférieure (12) égales est atteint. Par conséquent, il n'est pas nécessaire de concevoir spécialement les positions des au moins deux évacuations d'air de coupelle inférieure (12), une technologie d'usinage de moule de la coupelle inférieure (10) peut être simplifiée, et le coût du brûleur (100) est réduit. La cuisinière à gaz comprend le brûleur (100).
PCT/CN2016/102202 2016-07-28 2016-10-14 Brûleur et cuisinière à gaz WO2018018759A1 (fr)

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CN109140440A (zh) * 2018-10-11 2019-01-04 中山凯富电器有限公司 一种具有防干烧功能的车载用的燃烧器结构
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