CN104534471A - Combustor and gas range - Google Patents

Abstract

The invention provides a burner and a gas stove. The burner includes a burner head, a gas distribution plate and a fire cover. The gas distribution plate is provided with a gas channel. The gas injection flow channels are connected; the burner also includes an air supply pipeline, and an air passage is arranged on the gas distribution plate, an air supply device is provided at the inlet end of the air supply pipeline, and the air outlet end is directly connected with the inlet of the air passage. The burner provided by the present invention supplements the secondary air by opening an air channel on the gas distribution plate, and adding an air supply pipe and an air supply device, so that the combustion of the gas is more sufficient, avoiding the generation of yellow flames and harmful gases, and improving the burner efficiency. Thermal efficiency, and the structure of the burner is simple and compact.

Description

Burners and Gas Hobs

technical field

The invention relates to the field of kitchen utensils, and more specifically, to a burner and a gas range including the burner.

Background technique

At present, the secondary air required by traditional atmospheric burners on the market is naturally supplemented. This supplementary method has high requirements on the structure of the fire distributor, which leads to complicated processing of the fire distributor, high production costs, and natural supplementation of secondary air. , it is easy to cause insufficient supplementary secondary air, so that the gas cannot be fully combusted, resulting in yellow flames, generation of harmful gases such as CO, and low combustion efficiency.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art.

Therefore, the object of one aspect of the present invention is to provide a burner that can fully supplement the secondary air required for gas combustion, improve combustion efficiency, and has low structural requirements for the components of the burner, reducing processing costs.

The purpose of another aspect of the present invention is to provide a gas stove comprising the above-mentioned burner.

In order to achieve the above object, an embodiment of one aspect of the present invention provides a burner, including: a burner head, the burner head is provided with a gas injection flow channel; a gas distribution plate, the gas distribution plate is placed on the furnace On the head, and the gas distribution plate is provided with a gas channel; and a fire cover, the fire cover is placed on the gas distribution plate, and the fire cover is provided with a fire hole, and the fire hole passes through the The gas channel communicates with the gas injection flow channel; the gas distribution plate is provided with an annular side wall passing through the gas distribution plate, and the gas channel is located in the annular side wall, and the annular side wall is connected to the The cavity surrounded by the side wall of the gas channel is an air channel; or, the gas channel is located outside the annular side wall, and the cavity in the annular side wall forms an air channel; or, the annular side wall A baffle is provided inside to separate the cavity in the annular side wall into the gas channel and the air channel; the burner also includes: an air supply pipeline, the air intake end of the air supply pipeline is provided with an air supply device, the air outlet is directly connected with the inlet of the air channel.

The burner provided by the above-mentioned embodiments of the present invention supplements the primary air for gas combustion by setting a gas injection flow channel on the burner, and supplements the secondary air for gas combustion by setting an air supply pipeline, and the inlet of the gas supply pipeline The gas end is equipped with an air supply device, which increases the supplementary amount of secondary air to ensure full combustion of gas, improves the thermal efficiency of gas combustion, and reduces the generation of harmful gases.

Specifically, the gas distribution plate is provided with a gas channel, and the gas and primary air pass through the gas channel and enter the fire hole of the fire cover for combustion; the gas distribution plate is also provided with an air channel, and the entrance of the air channel is connected The pipes are connected, so that the secondary air entering from the air supply pipe can pass through the air channel. Since the fire cover is located on the air distribution plate, the air flowing out from the air channel of the air distribution plate is closer to the fire cover, which can supplement the fire hole. Secondary air from gas combustion. Due to the auxiliary air supply of the air supply device, the intake of secondary air is increased, and the structural requirements for the air distribution plate are reduced, so that the structure of the air distribution plate is simple, the processing is convenient, and the cost is low. The panel is low to achieve the purpose of flatness of the whole cooker; and because the air supply pipe is directly connected with the air channel on the gas distribution plate, there is no need to set up an air flow channel on the burner, which makes the structure of the burner simple; in addition, the supplementary Both the gas pipeline and the furnace head are directly connected with the gas distribution plate, which makes the burner compact in structure and small in size.

In addition, the burner provided according to the above-mentioned embodiments of the present invention also has the following additional technical features:

According to an embodiment of the present invention, the gas channel is located in the annular side wall, the lower end of the annular side wall is connected with a lower sealing plate, the lower end of the gas channel passes through the lower sealing plate, and the lower The entrance of the air channel is opened on the sealing plate.

The lower end of the gas channel passes through the lower sealing plate, and the entrance of the air channel is opened on the lower sealing plate, that is, the entrance of the air channel opened on the lower sealing plate is located on one side of the gas channel, so that the air supply pipeline connected with the air channel is located on the side of the gas channel. One side of the burner head connected by the channel prevents interference between the gas supply pipe and the burner head, and makes the layout of the burner reasonable.

According to an embodiment of the present invention, the gas outlet end of the gas supply pipeline is provided with a first connecting plate, and the first connecting plate is connected to the outer side wall of the gas passage below the lower sealing plate, and A gap with an upper end opening is formed between the first connecting plate and the outer wall of the gas channel, and the gap communicates with the inlet of the air channel, and a through hole is opened on the first connecting plate. The gas outlet end of the gas supply pipeline communicates with the gap through the through hole.

The setting of the first connecting plate facilitates the communication between the air supply pipeline and the air channel.

According to an embodiment of the present invention, a second connecting plate is provided on the outer wall of the gas passage below the lower sealing plate, the second connecting plate is connected with the first connecting plate, and The gap is formed between the second connecting plate and the first connecting plate.

The arrangement of the second connecting plate also facilitates the communication between the air supply pipeline and the air channel.

According to an embodiment of the present invention, the first connecting plate includes a first arched plate composed of two flat plates and an arc-shaped plate, and a lower bottom plate connected below the first arched plate;

The second connecting plate is a second arched plate composed of two flat plates and an arc-shaped plate, the arc-shaped plate of the second connecting plate is fixedly connected with the outer side wall of the gas channel, and the second connecting plate The two flat plates of the plate are connected with the two flat plates of the first connecting plate, the lower bottom plate of the first connecting plate is connected with the lower end of the second connecting plate, and the The upper ends all abut against the lower ends of the annular side walls.

The second connecting plate is an arched plate, so that the shape of the second connecting plate matches the shape of the outer wall of the gas channel, which is convenient for fixing the second connecting plate and the gas channel; the first connecting plate includes an arched plate, so that the two The shape of the connecting plate is similar, which is convenient for connection. The lower end of the second connecting plate is provided with a lower bottom wall, which can seal the lower end of the gap between the first connecting plate and the second connecting plate, so that the air from the air supply pipeline enters the gap Finally, it can only enter the air channel upwards to supplement the secondary air for gas combustion.

According to an embodiment of the present invention, the fire cover is supported on the upper end of the annular side wall, and a notch is formed on the upper end of the annular side wall, and the notch is an outlet of the air channel.

According to an embodiment of the present invention, the gas channel is located outside the annular side wall, and the inlet of the gas channel is arranged at an eccentric position of the lower bottom wall of the gas distribution pan. The gas channel is located outside the annular side wall, that is, the inlet of the gas channel is arranged outside the inlet of the air channel, so that the two inlets are connected with the burner head and the gas supply pipeline respectively.

According to an embodiment of the present invention, the centerline of the annular side wall coincides with the centerline of the gas distribution pan, and the burner head and the gas supply pipe respectively extend to both sides of the burner, so as not to The furnace head and the gas supply pipeline interfere, making the layout of the burner reasonable.

According to an embodiment of the present invention, the burner head and the gas distributor are integrally structured. In this way, the number of components contained in the burner can be reduced, so that the structure of the burner is simple and the assembly is convenient.

An embodiment of another aspect of the present invention provides a gas stove, comprising the burner described in any of the above embodiments, and having all the beneficial effects of the burner described in any of the above embodiments.

Additional aspects and advantages of the invention will become apparent in the description which follows, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic diagram of an exploded structure of a burner according to an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of another viewing angle of Fig. 1;

Fig. 3 is a schematic diagram of the sectional structure of the burner shown in Fig. 1 after assembly. The direction indicated by the solid curve arrow in Fig. 3 is the flow direction of secondary air, and the direction indicated by the dotted curve arrow is the flow direction of gas and primary air. Flow direction.

Wherein, the corresponding relationship between reference numerals and component names in Fig. 1 to Fig. 3 is:

1 burner head, 10 outer ring fire gas injection channel, 11 inner ring fire gas injection channel, 2 gas distribution plate, 22 inner ring fire gas channel, 23 outer ring fire gas channel, 24 air channel, 240 inlet of air channel , 241 outlet of air channel, 25 annular side wall, 26 lower sealing plate, 3 outer ring fire cover, 30 fire hole, 4 inner ring fire cover, 40 fire hole, 5 air supply pipe, 60 first connecting plate, 600th One arched plate, 601 lower base plate, 602 through holes, 61 second connecting plate, 62 clearance, 7 air supply device

Detailed ways

In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. Example limitations.

A burner and a gas stove according to an embodiment of the present invention are described below with reference to the accompanying drawings.

As shown in FIGS. 1 to 3 , a burner provided according to an embodiment of the present invention includes a burner head 1 , a gas distributor 2 and a fire cover.

Wherein, the burner head 1 is provided with a gas injection flow channel;

The gas distribution tray 2 is placed on the burner 1, and the gas distribution tray 2 is provided with a gas channel;

The fire cover is placed on the gas distribution plate 2, and the fire cover is provided with a fire hole, and the fire hole communicates with the gas injection flow channel through the gas channel;

Further, the gas distribution tray 2 is provided with an annular side wall 25 passing through the gas distribution tray 2, and

The gas channel is located in the annular side wall 25, and the cavity surrounded by the annular side wall 25 and the side wall of the gas channel is an air channel 24; or, the gas channel is located in the annular side wall 25 In addition, the cavity in the annular side wall 25 forms the air passage 24; twenty four.

Preferably, the burner further includes: an air supply pipe 5 , an air supply device 7 is provided at the inlet end of the air supply pipe 5 , and the air outlet end is directly connected with the inlet 240 of the air channel 24 .

The burner provided by the above-mentioned embodiments of the present invention supplements the primary air for gas combustion by setting a gas injection flow channel on the burner, and supplements the secondary air for gas combustion by setting an air supply pipeline, and the inlet of the gas supply pipeline The gas end is equipped with an air supply device, which increases the supplementary amount of secondary air to ensure full combustion of gas, improves the thermal efficiency of gas combustion, and reduces the generation of harmful gases.

Specifically, the gas distribution plate is provided with a gas channel, and the gas and primary air pass through the gas channel and enter the fire hole of the fire cover for combustion; the gas distribution plate is also provided with an air channel, and the entrance of the air channel is connected The pipes are connected, so that the secondary air entering from the air supply pipe can pass through the air channel. Since the fire cover is located on the air distribution plate, the air flowing out from the air channel of the air distribution plate is closer to the fire cover, which can supplement the fire hole. Secondary air from gas combustion. Due to the auxiliary air supply of the air supply device, the intake of secondary air is increased, and the structural requirements for the air distribution plate are reduced, so that the structure of the air distribution plate is simple, the processing is convenient, and the cost is low. The panel is low to achieve the purpose of flatness of the whole cooker; and because the air supply pipe is directly connected with the air channel on the gas distribution plate, there is no need to set up an air flow channel on the burner, which makes the structure of the burner simple; in addition, the supplementary Both the gas pipeline and the furnace head are directly connected with the gas distribution plate, which makes the burner compact in structure and small in size.

In a specific embodiment of the present invention, as shown in FIG. 3 , the gas channel includes an inner ring fire gas channel 22 located in the annular side wall 25, and correspondingly, the fire cover includes an inner ring fire cover 4 , the burner head 1 is provided with an inner ring fire gas injection flow channel 11, and the fire hole 40 on the inner ring fire cover 4 passes through the inner ring fire gas channel 22 and the inner ring fire gas injection flow channel 11 (the direction shown by the dotted arrow in the middle position in Figure 3 is the flow direction of the gas and the primary air of the inner ring fire cover).

Further, as shown in Figure 3, the lower end of the annular side wall 25 is connected with a lower sealing plate 26, the lower end of the inner ring fire gas channel 22 passes through the lower sealing plate 26, and the lower sealing plate 26 is opened There is an inlet 240 (shown in FIG. 1 ) for the air channel 24 .

The lower end of the inner ring fire gas channel passes through the lower sealing plate, and the entrance of the air channel is opened on the lower sealing plate, that is, the entrance of the air channel opened on the lower sealing plate is located on one side of the inner ring fire gas channel, so that it is connected with the air channel The gas supply pipeline is located at one side of the burner connected to the inner ring fire gas channel, so that the gas supply pipeline will not interfere with the burner and the layout of the burner is reasonable.

In a specific example, as shown in FIG. 1 and FIG. 3 , the air outlet end of the air supply pipeline 5 is provided with a first connecting plate 60 , and the first connecting plate 60 is connected to all the parts located below the lower sealing plate 26 . The outer wall of the inner ring fire gas passage 22 is connected, and a gap 62 with an upper end opening is formed between the first connecting plate 60 and the outer side wall of the inner ring fire gas passage 22. The inlet 240 of the air channel 24 is connected, and the first connection plate 60 is provided with a through hole 602 , and the air outlet end of the air supply pipeline 5 communicates with the gap through the through hole.

Further, as shown in FIG. 1 and FIG. 3 , a second connecting plate 61 is provided on the outer wall of the inner ring fire gas passage 22 below the lower sealing plate 26 , and the second connecting plate 61 and the The first connecting plate 60 is connected to form the gap 62 between the second connecting plate 61 and the first connecting plate 60 .

Furthermore, as shown in Figures 1 and 3, the first connecting plate 60 includes a first arched plate 600 composed of two flat plates and an arc-shaped plate, and a lower plate connected to the bottom of the first arched plate 600 Bottom plate 601;

The second connecting plate 61 is a second arched plate composed of two flat plates and an arc-shaped plate, and the arc-shaped plate of the second connecting plate 61 is fixedly connected with the outer wall of the inner ring fire gas channel 22 , the two flat plates of the second connecting plate 61 are connected with the two flat plates of the first connecting plate 60, the lower bottom plate 601 of the first connecting plate 60 is connected with the lower end of the second connecting plate 61, the first connecting plate Both the upper ends of the second connecting plate 61 and the first connecting plate 60 abut against the lower end of the annular side wall 25 .

The arrangement of the first connecting plate and the second connecting plate facilitates the communication between the air supply pipeline and the air channel. Specifically, the second connecting plate is an arched plate, so that the shape of the second connecting plate is adapted to the shape of the outer wall of the gas channel, which facilitates the fixing of the second connecting plate and the gas channel; the first connecting plate includes an arched plate In this way, the shapes of the two connecting plates are similar, which is convenient for connection. The lower end of the second connecting plate is provided with a lower bottom wall, which can seal the lower end of the gap between the first connecting plate and the second connecting plate, so that the After the air enters the gap, it can only enter the air channel upwards to supplement the secondary air for gas combustion (the direction indicated by the solid line curve arrow in Figure 3 is the flow direction of the secondary air).

As shown in Figures 2 and 3, the inner ring fire cover 4 is supported on the upper end of the annular side wall 25, and the upper end of the annular side wall 25 is provided with a gap, and the gap is the outlet of the air channel 24 241.

Further, as shown in FIG. 2 , the upper end of the annular side wall 25 is provided with a plurality of notches, and the plurality of notches are evenly distributed along the circumference of the annular side wall 25, so that the air flowing out from the notches can flow inward. The fire holes set on the ring fire cover are evenly supplemented with secondary air.

In another specific example of the present invention, as shown in FIG. 1 and FIG. 3 , the gas channel further includes an outer ring fire gas channel 23 located outside the annular side wall 25, and the outer ring fire gas channel 23 The inlet of is arranged at the eccentric position of the lower bottom wall of the gas distribution tray 2 .

The outer ring fire gas passage is located outside the annular side wall, that is, the entrance of the outer ring fire gas passage is arranged outside the entrance of the air passage, so that the two entrances are connected with the burner head and the gas supply pipeline respectively.

Correspondingly, as shown in Figures 1 to 3, the fire cover includes an outer ring fire cover 3, the burner head 1 is provided with an outer ring fire gas injection flow channel 10, and the fire on the outer ring fire cover 3 The hole 30 communicates with the outer ring fire gas injection channel 10 through the outer ring fire gas passage 23 (the direction shown by the dotted arrow on one side in Fig. 3 is the gas of the outer ring fire cover and the flow of primary air direction).

In a preferred embodiment of the present invention, as shown in Fig. 1 to Fig. 3, the center line of the annular side wall 25 coincides with the center line of the gas distributor 2, and the furnace head 1 and the supplementary The gas pipes 5 respectively extend to both sides of the burner, so as to avoid the interference between the burner head and the gas supply pipe, so that the layout of the burner is reasonable.

In the embodiment shown in FIG. 1 and FIG. 2 , the furnace head 1 and the gas distributor 2 are integrally structured. In this way, the number of components contained in the burner can be reduced, so that the structure of the burner is simple and the assembly is convenient.

In a specific embodiment of the present invention, as shown in FIG. 1 to FIG. 3 , the air supply device 7 is a fan. Of course, the air supply device can also be other devices other than the fan, which will not be repeated here.

An embodiment of another aspect of the present invention provides a gas stove (not shown in the figure), including the burner described in any of the above embodiments, and has all the beneficial effects of the burner described in any of the above embodiments .

To sum up, the burner provided by the embodiment of the present invention supplements the secondary air by opening an air channel on the gas distribution plate, and adding an air supply pipe and an air supply device, so that the combustion of the gas is more complete and avoids yellow flames, The generation of harmful gas improves the thermal efficiency, and the structure of the burner is simple and compact.

In the description of the present invention, the term "plurality" means two or more.

In the description of this specification, descriptions of the terms "one embodiment", "some embodiments", "specific embodiments", "specific examples" and the like mean specific features, structures, materials or characteristics described in connection with the embodiment or example Included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a burner, comprising:

Burner, described burner is provided with combustion gas injection runner;

Air distribution disk, described air distribution disk is placed on described burner, and described air distribution disk is provided with blast tube; With

Fire cover, described fire cover is placed on described air distribution disk, and described fire cover is provided with fire hole, and described fire hole is connected with described combustion gas injection runner by described blast tube;

It is characterized in that,

Described air distribution disk is provided with the annular sidewall running through described air distribution disk, and

Described blast tube is positioned at described annular sidewall, and the cavity that the sidewall of described annular sidewall and described blast tube surrounds is air duct; Or described blast tube is positioned at outside described annular sidewall, the cavity in described annular sidewall forms air duct; Or be provided with dividing plate in described annular sidewall, the cavity in described annular sidewall is separated into described blast tube and air duct;

Described burner also comprises: tonifying Qi pipeline, and the inlet end of described tonifying Qi pipeline is provided with air-supply arrangement, and outlet side is directly connected with the entrance of described air duct.

2. burner according to claim 1, is characterized in that,

Described blast tube is positioned at described annular sidewall, and the lower end of described annular sidewall is connected with lower shrouding, and the lower end of described blast tube, through described lower shrouding, described lower shrouding offers the entrance of described air duct.

3. burner according to claim 2, is characterized in that,

The outlet side of described tonifying Qi pipeline is provided with the first connecting plate, described first connecting plate is connected with the lateral wall of the described blast tube be positioned at below described lower shrouding, and between described first connecting plate and the lateral wall of described blast tube, form the gap of a upper end open, described gap is connected with the entrance of described air duct, described first connecting plate offers through hole, and the outlet side of described tonifying Qi pipeline is communicated with described gap by described through hole.

4. burner according to claim 3, is characterized in that,

The lateral wall being positioned at the described blast tube below described lower shrouding is provided with the second connecting plate, and described second connecting plate is connected with described first connecting plate, and forms described gap between described second connecting plate and the first connecting plate.

5. burner according to claim 4, is characterized in that,

Described first connecting plate comprise by two dull and stereotyped the first arch sheets of forming with an arc and with the lower shoe be connected below described first arch sheet;

Described second connecting plate is comprise the second arch sheet be made up of two flat boards and an arc, the arc of described second connecting plate is fixedly connected with the lateral wall of described blast tube, two flat boards of described second connecting plate are connected with two flat boards of described first connecting plate, the lower shoe of described first connecting plate is connected with the lower end of described second connecting plate, and the upper end of described second connecting plate and described first connecting plate is all resisted against the lower end of described annular sidewall.

6. burner according to claim 2, is characterized in that,

Described fire cover is supported on the upper end of described annular sidewall, and the upper end of described annular sidewall offers breach, and described breach is the outlet of described air duct.

7. burner according to claim 1, is characterized in that,

Described blast tube is positioned at outside described annular sidewall, and the entrance of described blast tube is arranged on the eccentric position place of the lower diapire of described air distribution disk.

8. burner according to any one of claim 1 to 7, is characterized in that,

The center line of described annular sidewall overlaps with the center line of described air distribution disk, and described burner and described tonifying Qi pipeline extend respectively to the both sides of described burner.

9. burner according to any one of claim 1 to 7, is characterized in that,

Described burner and described air distribution disk are integral type structure.

10. a gas-cooker, is characterized in that, comprises the burner according to any one of claim 1 to 9.