CN212362014U - Oxygen enrichment mechanism and gas water heater - Google Patents

Abstract

The utility model relates to an oxygen boosting mechanism and gas heater, oxygen boosting mechanism include gas mixing spare and oxygen boosting subassembly, be equipped with combustion-supporting gas wind channel and two at least mist wind channels in the gas mixing spare, each the mist wind channel all with combustion-supporting gas wind channel intercommunication, the mist wind channel still is equipped with the gas import that is used for the input gas and is used for exporting the mist's mist export, the oxygen boosting subassembly sets up the entrance in combustion-supporting gas wind channel is used for promoting the follow the combustion-supporting gas wind channel flows in combustion-supporting gas's oxygen content in the mist wind channel. The oxygen enrichment assembly is directly arranged at the inlet of the combustion-supporting gas air channel, so that combustion-supporting gas with high oxygen content can flow into each mixed gas air channel communicated with the combustion-supporting gas air channel, the combustion efficiency is improved, and the integral structure is simplified.

Description

Oxygen enrichment mechanism and gas water heater

Technical Field

The utility model relates to a life electrical apparatus technical field especially relates to an oxygen boosting mechanism and gas heater.

Background

The gas water heater provides heat by utilizing the combustion process of combustible gas, and the heat provided by combustion is used for heating water for users to use. The combustion process of combustible gas in a gas water heater needs the existence of combustion-supporting gas, and air is generally adopted as the combustion-supporting gas. In order to improve the combustion efficiency, oxygen-rich devices are generally used to increase the oxygen content in the combustion-supporting gas mixed with the combustible gas, so that the combustible gas is sufficiently combusted. A plurality of fire rows are arranged in a common gas water heater, nozzles for providing combustible gas in the gas distribution rod correspond to the fire rows one by one, and meanwhile, combustion-supporting gas and the combustible gas are mixed and then enter the fire rows to provide heat after being combusted. For whole improvement combustion efficiency, all need set up the oxygen boosting components and parts and improve oxygen content in the combustion-supporting gas between every fire row and the nozzle, the structure is complicated.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an oxygen enrichment mechanism and a gas water heater to simplify the structure.

The utility model provides an oxygen boosting mechanism, includes gaseous mixing spare and oxygen boosting subassembly, be equipped with combustion-supporting gas wind channel and two at least mist wind channels in the gaseous mixing spare, each the mist wind channel all with combustion-supporting gas wind channel intercommunication, the mist wind channel still is equipped with the gas import that is used for the input gas and is used for exporting the mist's mist export, the oxygen boosting subassembly sets up the entrance in combustion-supporting gas wind channel is used for promoting to follow the combustion-supporting gas wind channel flows into combustion-supporting gas's oxygen content in the mist wind channel.

The scheme provides an oxygen enrichment mechanism, and the oxygen enrichment component is directly arranged at an inlet of a combustion-supporting gas air channel, so that combustion-supporting gas with high oxygen content can flow into each mixed gas air channel communicated with the combustion-supporting gas air channel, and the whole structure is simplified while the combustion efficiency is improved. Specifically, in the using process, air flows into each mixed gas air channel through the combustion-supporting gas air channel, the air forms combustion-supporting gas with high oxygen content after flowing through the oxygen enrichment assembly, and the combustion-supporting gas flows into the mixed gas air channel along the combustion-supporting gas air channel. And combustion-supporting gas and the fuel gas entering from the fuel gas inlet are mixed in the mixed gas air channel and then discharged into the combustor from the mixed gas outlet for combustion.

In one embodiment, the oxygen enrichment assembly comprises an oxygen enrichment membrane which shields the combustion gas duct inlet.

In one embodiment, the oxygen enrichment assembly further comprises an oxygen enrichment membrane bracket and a fan, the oxygen enrichment membrane bracket is arranged at the inlet of the combustion-supporting gas air duct, the oxygen enrichment membrane is arranged on the oxygen enrichment membrane bracket, and the fan is connected with the oxygen enrichment membrane bracket and used for providing power for the circulation of gas in the combustion-supporting gas air duct.

In one embodiment, the oxygen-enriched membrane support comprises an annular outer frame and cross ribs arranged in the annular outer frame, the annular outer frame is arranged at an inlet of the combustion-supporting gas air duct, a plurality of limiting protrusions are arranged on the annular outer frame and distributed at intervals in the circumferential direction of the annular outer frame, the limiting protrusions are located on the outer side of the cross ribs, the oxygen-enriched membrane is limited between the limiting protrusions and the cross ribs, the fan is located on the inner side of the oxygen-enriched membrane support, and a main shaft of the fan is connected with the cross ribs.

In one embodiment, the gas mixing component comprises a main air pipe and at least two branch pipes, the internal channel of the main air pipe is the combustion-supporting gas air channel, the oxygen enrichment assembly is arranged at the inlet of the main air pipe, the number of the branch pipes is the same as that of the mixed gas air channels, the internal channel of the branch pipes is the mixed gas air channel, openings at two ends of the branch pipes are respectively the gas inlet and the mixed gas outlet, the side walls of the branch pipes are provided with combustion-supporting gas inlets, and the combustion-supporting gas inlets of the branch pipes are communicated with the main air pipe.

In one embodiment, the side wall of the main air duct is provided with at least two outlets, the outlets are distributed at intervals in the axial direction of the main air duct, the side walls of the branch pipes are connected with the side wall of the main air duct, and the outlets are communicated with the combustion-supporting gas inlets in a one-to-one correspondence manner.

A gas heater includes foretell oxygen boosting mechanism.

The gas water heater provided by the scheme adopts the oxygen enrichment mechanism in any embodiment, so that the combustion efficiency is improved, and the integral structure is simplified.

In one embodiment, the gas water heater further comprises a combustor and an air inlet auxiliary part, wherein an air inlet auxiliary channel is arranged in the air inlet auxiliary part, an outlet of the air inlet auxiliary channel is communicated with an inlet of the combustion-supporting gas air channel correspondingly, the air inlet auxiliary part is positioned on one side, facing a panel of the gas water heater, of the combustor, and outlets of mixed gas are communicated with air inlets of the combustor in a one-to-one correspondence mode.

In one embodiment, the air inlet auxiliary part comprises a top plate, a bottom plate and a plurality of side plates, the top plate and the bottom plate are arranged at intervals, the side plates are all connected with the side edges of the top plate and the bottom plate, the top plate, the bottom plate and the side plates enclose the air inlet auxiliary channel, the bottom plate is close to the burner relative to the top plate, the outlet of the air inlet auxiliary channel is a through hole arranged on the bottom plate, the through hole arranged on the bottom plate is correspondingly communicated with the inlet of the combustion-supporting gas air channel, and the inlet of the air inlet auxiliary channel is located at one end, far away from the outlet of the air inlet auxiliary channel, of the air inlet auxiliary part.

In one embodiment, the distance between the top plate and the bottom plate is larger than the width of the top plate or the bottom plate, so that the cross section of the air inlet auxiliary channel is rectangular.

In one embodiment, the gas distributor further comprises a gas distribution rod, wherein the gas distribution rod is provided with at least two nozzles, and the nozzles are communicated with the gas inlets in a one-to-one correspondence manner.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a gas water heater according to the present embodiment;

FIG. 2 is an exploded view of the gas water heater of FIG. 1;

FIG. 3 is an exploded view of the oxygen enrichment assembly of the present embodiment;

FIG. 4 is a schematic structural view of a gas mixing element according to the present embodiment;

FIG. 5 is a schematic view of the gas mixing section of FIG. 4 from another perspective;

FIG. 6 is a schematic structural view of the air intake auxiliary member of the present embodiment;

fig. 7 is a schematic structural view of the gas distributing rod according to the embodiment.

Description of reference numerals:

10. a gas water heater; 11. a burner; 111. an air inlet; 12. a heat exchanger; 121. a heat exchange pipe; 13. a fan assembly; 14. a housing; 15. an air intake auxiliary member; 151. an air intake auxiliary channel; 152. a base plate; 1521. a through hole; 153. a side plate; 16. a gas distributing rod; 161. a nozzle; 17. an oxygen enrichment mechanism; 171. a main air duct; 1711. a combustion-supporting gas duct; 172. a branch pipe; 1721. a gas inlet; 1722. a mixed gas outlet; 173. an oxygen enrichment assembly; 1731. an oxygen-rich membrane; 1732. an oxygen-enriched membrane support; 1733. an annular outer frame; 1734. crossed ribs; 1735. a limiting bulge; 1736. a fan; 18. a gas proportional valve; 19. an auxiliary lug.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1 and 2, in one embodiment, a gas water heater 10 is provided to heat water using heat generated by gas combustion, and the obtained hot water is used by a user. In a general gas water heater 10, a burner 11 is provided, and a mixed gas formed by mixing a gas and a combustion-supporting gas is delivered to the burner 11, and the mixed gas is ignited to burn to generate a flame. The flame can directly act on the pipeline with water circulation to heat the water in the pipeline. Or as shown in fig. 1 and 2, a heat exchanger 12 and a fan assembly 13 are further arranged in the gas water heater 10, a flue gas cavity is formed in the heat exchanger 12, the heat exchanger 12 comprises a heat exchange pipe 121 wound outside, and the fan assembly 13 is mounted on the heat exchanger 12 and used for exhausting flue gas in the flue gas cavity. The flue gas exchanges heat with water in the heat exchange pipe 121 in the discharging process, so that the water in the heat exchange pipe 121 is heated to form hot water for users to use.

While the above mixing process of the fuel gas and the combustion-supporting gas is performed in the oxygen enrichment means 17, in particular, in one embodiment, as shown in fig. 2 and 3, the oxygen enrichment means 17 comprises a gas mixing member and an oxygen enrichment assembly 173. And a combustion-supporting gas air channel 1711 and at least two mixed gas air channels are arranged in the gas mixing piece. Specifically, the gas mixing member may include a main duct 171 and at least two branch ducts 172 as shown in fig. 4 and 5, the internal passage of the main duct 171 is the combustion gas duct 1711, and the internal passage of the branch ducts 172 is the mixed gas duct. Or, the gas mixing part is a complete block structure, and the combustion-supporting gas duct 1711 and the mixed gas duct are passages provided in the block structure.

Further, each of the mixed gas air channels is communicated with the combustion-supporting gas air channel 1711, and the combustion-supporting gas air channel 1711 can be communicated with outside air to transmit the air to the mixed gas air channel. As shown in fig. 4 and 5, the mixed gas duct is further provided with a gas inlet 1721 for inputting gas and a mixed gas outlet 1722 for outputting mixed gas. The oxygen enrichment assembly 173 is disposed at an inlet of the combustion-supporting gas duct 1711, and is configured to increase the oxygen content of the combustion-supporting gas flowing from the combustion-supporting gas duct 1711 into the mixed gas duct.

During the combustion process, air flows into each mixed gas duct through the combustion-supporting gas duct 1711, the air forms combustion-supporting gas with higher oxygen content after flowing through the oxygen enrichment assembly 173, and the combustion-supporting gas flows into the mixed gas duct along the combustion-supporting gas duct 1711. The combustion-supporting gas and the gas entering from the gas inlet 1721 are mixed in the mixed gas air channel and then discharged from the mixed gas outlet 1722 into the combustor 11 for combustion. The gas of the gas inlet 1721 is mainly provided by the gas distributing rod 16, as shown in fig. 2 and 6, the gas distributing rod 16 is provided with a nozzle 161, the nozzle 161 is correspondingly communicated with the gas inlet 1721, and the gas enters the gas inlet 1721 through the nozzle 161.

According to the oxygen enrichment mechanism 17 provided by the scheme, the oxygen enrichment assembly 173 is directly arranged at the inlet of the combustion-supporting gas air channel 1711, so that combustion-supporting gas with high oxygen content can flow into each mixed gas air channel communicated with the combustion-supporting gas air channel 1711, the oxygen enrichment assembly does not need to be arranged in each mixed gas air channel to improve the oxygen content, the combustion efficiency is improved, and the integral structure is simplified.

Specifically, in one embodiment, as shown in fig. 2 and 3, the oxygen enrichment assembly 173 includes an oxygen enrichment membrane 1731, and the oxygen enrichment membrane 1731 shields the inlet of the combustion supporting gas duct 1711. When air enters the combustion-supporting gas channel through the oxygen-rich membrane 1731, oxygen preferentially passes through the oxygen-rich membrane 1731 under the condition of pressure difference, so that the gas entering the combustion-supporting gas channel through the oxygen-rich membrane 1731 is combustion-supporting gas with higher oxygen content.

Further, in one embodiment, as shown in fig. 2 and 3, the oxygen enrichment assembly 173 further comprises an oxygen enrichment membrane support 1732 and a fan 1736. The oxygen-enriched membrane support 1732 is arranged at an inlet of the combustion-supporting gas duct 1711, the oxygen-enriched membrane 1731 is arranged on the oxygen-enriched membrane support 1732, and the fan 1736 is connected with the oxygen-enriched membrane support 1732 and used for providing power for gas circulation in the combustion-supporting gas duct 1711.

In the use process, when the gas distributing rod 16 provides gas to the gas inlet 1721, the negative pressure formed in the combustion-supporting gas duct 1711 enables air to pass through the oxygen-enriched membrane 1731 from the outside of the combustion-supporting gas duct 1711 to enter the combustion-supporting gas duct 1711, and the fan 1736 is arranged to further provide power for the air to enter, so that the air can more rapidly pass through the oxygen-enriched membrane 1731. Specifically, the start, the stop and the rotation speed of the fan 1736 can be controlled by the control unit of the gas water heater 10 in a unified manner. The amount of oxygen entering the combustion-supporting gas duct 1711 is controlled by adjusting the rotation speed of the fan 1736.

More specifically, in one embodiment, as shown in fig. 3, the oxygen-rich membrane support 1732 includes an outer annular frame 1733 and cross ribs 1734 disposed in the outer annular frame 1733, wherein respective ends of the cross ribs 1734 are connected to the outer annular frame 1733. The annular outer frame 1733 is disposed at an inlet of the combustion supporting gas duct 1711. The annular outer frame 1733 is provided with a plurality of limiting protrusions 1735, and the limiting protrusions 1735 are circumferentially distributed at intervals on the annular outer frame 1733. The limiting protrusions 1735 are located at the outer sides of the crossing ribs 1734, and the oxygen-enriched membrane 1731 is limited between the limiting protrusions 1735 and the crossing ribs 1734. The blower 1736 is positioned inside the oxygen-enriched membrane support 1732, and the main shaft of the blower 1736 is connected to the cross ribs 1734.

Here, the inner side of the oxygen-rich membrane support 1732 means a side of the oxygen-rich membrane support 1732 facing the inside of the combustion supporting gas duct 1711 when the oxygen-rich membrane support 1732 is installed at the inlet of the combustion supporting gas duct 1711. The outer side of the cross ribs 1734 refers to the side of the cross ribs 1734 facing the outside of the combustion supporting gas duct 1711 when the oxygen-enriched membrane support 1732 is installed at the inlet of the combustion supporting gas duct 1711.

In the installation process, the blower 1736 is installed on the oxygen-enriched membrane support 1732, the oxygen-enriched membrane 1731 is pressed between the limiting protrusions 1735 and the cross ribs 1734 by using the elastic deformation capability of the oxygen-enriched membrane 1731, and then the assembled oxygen-enriched assembly 173 is installed at the inlet of the combustion-supporting gas duct 1711.

Further specifically, as shown in fig. 4 and 5, in one embodiment, when the gas mixing element comprises a main air duct 171 and at least two branch ducts 172. The oxygen enrichment assembly 173 is disposed at the inlet of the main air pipe 171. The number of the branch pipes 172 is the same as that of the mixed gas air channels, and openings at two ends of the branch pipes 172 are respectively the gas inlet 1721 and the mixed gas outlet 1722. When the gas distributor is assembled, as shown in fig. 2, the gas inlet 1721 of the branch pipe 172 is correspondingly assembled with the nozzle 161 of the gas distribution rod 16, so that the gas inlet 1721 is communicated with the nozzle 161 of the gas distribution rod 16; the mixed gas outlet 1722 of the branch pipe 172 is correspondingly assembled with the gas inlet 111 of the burner 11, so that the mixed gas outlet 1722 is communicated with the gas inlet 1721. In other words, the branch pipe 172 communicates between the gas-distributing rod 16 and the combustor 11.

The side walls of the branch pipes 172 are provided with combustion-supporting gas inlets, and the combustion-supporting gas inlets of the branch pipes 172 are communicated with the main air pipe 171. The combustion-supporting gas in the combustion-supporting gas duct 1711 enters each branch pipe 172 through the combustion-supporting gas inlet, the fuel gas enters the branch pipes 172 through the fuel gas inlet 1721, and the mixed gas mixed in the branch pipes 172 enters the combustor 11 through the mixed gas outlet 1722 and the gas inlet 111 of the combustor 11 for combustion.

When the oxygen enrichment assembly 173 comprises the oxygen enrichment membrane support 1732, the oxygen enrichment membrane support 1732 is arranged at the inlet of the main air pipe 171. Specifically, as shown in fig. 3 to 5, auxiliary lugs 19 may be disposed at the inlet of the main air pipe 171 and on the annular outer frame 1733 of the oxygen-enriched membrane holder 1732, and the oxygen-enriched membrane holder 1732 may be fixed at the inlet of the main air pipe 171 by using a connector such as a screw to pass through the auxiliary lugs 19 on the main air pipe 171 and the auxiliary lugs 19 on the annular outer frame 1733.

Further, in an embodiment, as shown in fig. 4 and 5, the side wall of the main air duct 171 is provided with at least two outlets, the outlets are distributed at intervals in the axial direction of the main air duct 171, the side wall of the branch pipe 172 is connected to the side wall of the main air duct 171, and the outlets are communicated with the combustion-supporting gas inlets in a one-to-one correspondence manner. A plurality of the branch pipes 172 may be arranged side by side in the axial direction of the main duct 171 as shown in fig. 4 and 5.

Further alternatively, the oxygen enrichment mechanism 17 can also be applied to other gas water heaters 10.

In another embodiment, as shown in FIGS. 1 and 2, the gas water heater 10 includes an intake air assist 15. As shown in fig. 6, an auxiliary air intake channel 151 is disposed in the auxiliary air intake member 15, and an outlet of the auxiliary air intake channel 151 is communicated with an inlet of the combustion-supporting air duct 1711. When the gas water heater 10 is burning, under the action of the suction force in the combustion-supporting gas duct 1711, the outside air flows through the auxiliary air inlet passage 151 and enters the combustion-supporting gas duct 1711. The air inlet auxiliary member 15 is located towards one side of gas heater 10 panel on the combustor 11, and the air is flowing through during air inlet auxiliary channel 151, accelerate the heat of air inlet auxiliary member 15 scatters and disappears, makes the temperature of air inlet auxiliary member 15 keeps lower level, effectively avoids the panel of gas heater 10 is brought adverse effect to the high temperature of combustor 11.

The gas entering the combustion-supporting gas duct 1711 is combustion-supporting gas with high oxygen content, and after the combustion-supporting gas enters the mixed gas duct of the gas mixing part and is mixed, the mixed gas enters the combustor 11 for combustion based on the one-to-one correspondence between the mixed gas outlets 1722 and the gas inlets 111 of the combustor 11.

Specifically, as shown in fig. 6, in one embodiment, the intake aid 15 includes a top plate, a bottom plate 152, and a plurality of side plates 153. The roof with bottom plate 152 interval sets up, a plurality of curb plates 153 all with the roof with the side of bottom plate 152 is connected, roof, bottom plate 152 and a plurality of curb plates 153 enclose into air inlet auxiliary channel 151. The bottom plate 152 is arranged close to the burner 11 relative to the top plate, and the outlet of the auxiliary air inlet channel 151 is a through hole 1521 arranged on the bottom plate 152. As shown in fig. 1 and fig. 2, after assembly, the through hole 1521 formed in the bottom plate 152 is communicated with the inlet of the combustion-supporting gas duct 1711. The inlet of the auxiliary air inlet channel 151 is located at one end of the auxiliary air inlet element 15, which is far away from the outlet of the auxiliary air inlet channel 151.

When the gas mixing member includes the main air pipe 171 and the branch pipe 172, the through hole 1521 of the bottom plate 152 is disposed corresponding to the inlet of the main air pipe 171. The end of the main air pipe 171 can be inserted into the through hole 1521 of the bottom plate 152, so that the oxygen enrichment assembly 173 disposed at the inlet of the main air pipe 171 is located in the auxiliary air intake channel 151. Or the oxygen enrichment assembly 173 is in para-position communication between the inlet of the main air pipe 171 and the through hole 1521 of the bottom plate 152.

Further, as shown in fig. 6, in one embodiment, the distance between the top plate and the bottom plate 152 is greater than the width of the top plate or the bottom plate 152, so that the cross section of the auxiliary air intake channel 151 is rectangular. Therefore, the air intake auxiliary part 15 is of a flat structure as shown in fig. 6, the air intake auxiliary part 15 can be fully shielded between the burner 11 and the panel to protect the panel, and meanwhile, the thickness of the air intake component 15 is thinner, so that the overall thickness of the gas water heater 10 can still keep a lower level.

Further, as shown in fig. 7, in an embodiment, the gas distributing rod 16 included in the gas water heater 10 is provided with at least two nozzles 161, and the nozzles 161 are communicated with the gas inlets 1721 in a one-to-one correspondence manner.

The gas inlets 111 of the burners 11, the branch pipes 172 and the nozzles 161 are communicated in a one-to-one correspondence manner, one fire row in the burners 11 corresponds to one gas inlet 111 of the burners 11, and the on-off of gas in each branch pipe 172 directly influences whether the corresponding fire row is combusted.

Further, as shown in fig. 1 and fig. 2, a gas proportional valve 18 is further disposed in the gas water heater 10 for controlling the amount of gas introduced by the gas distributing rod 16.

Further, as shown in fig. 1 and 2, the gas water heater 10 further includes a housing 14, and each of the above components of the gas water heater 10 may be disposed in the housing 14.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (11)

1. The utility model provides an oxygen boosting mechanism, its characterized in that, includes gas mixing spare and oxygen boosting subassembly, be equipped with combustion-supporting gas wind channel and two at least mist wind channels in the gas mixing spare, each the mist wind channel all with combustion-supporting gas wind channel intercommunication, the mist wind channel still is equipped with the gas import that is used for the input gas and is used for exporting the mist's mist export, the oxygen boosting subassembly sets up the entrance in combustion-supporting gas wind channel is used for promoting the follow the combustion-supporting gas wind channel flows into combustion-supporting gas's oxygen content in the mist wind channel.

2. An oxygen enrichment mechanism as claimed in claim 1, wherein the oxygen enrichment assembly comprises an oxygen enrichment membrane that shields the combustion gas duct inlet.

3. An oxygen enrichment mechanism as claimed in claim 2, wherein the oxygen enrichment assembly further comprises an oxygen enrichment membrane support and a fan, the oxygen enrichment membrane support is disposed at an inlet of the combustion supporting gas duct, the oxygen enrichment membrane is disposed on the oxygen enrichment membrane support, and the fan is connected to the oxygen enrichment membrane support for providing motive power for gas circulation in the combustion supporting gas duct.

4. An oxygen enrichment mechanism as claimed in claim 3, wherein the oxygen enrichment membrane support comprises an annular outer frame and cross ribs arranged in the annular outer frame, the annular outer frame is arranged at the inlet of the combustion supporting gas duct, a plurality of limiting protrusions are arranged on the annular outer frame and are distributed at intervals in the circumferential direction of the annular outer frame, the limiting protrusions are located on the outer side of the cross ribs, the oxygen enrichment membrane is limited between the limiting protrusions and the cross ribs, the blower is located on the inner side of the oxygen enrichment membrane support, and a main shaft of the blower is connected with the cross ribs.

5. An oxygen enrichment mechanism as claimed in any one of claims 1 to 4, wherein the gas mixing component comprises a main air pipe and at least two branch pipes, the internal channel of the main air pipe is the combustion-supporting gas air duct, the oxygen enrichment assembly is arranged at the inlet of the main air pipe, the number of the branch pipes is the same as the number of the mixed gas air ducts, the internal channel of the branch pipes is the mixed gas air duct, the openings at the two ends of the branch pipes are the gas inlet and the mixed gas outlet respectively, the side walls of the branch pipes are provided with combustion-supporting gas inlets, and the combustion-supporting gas inlets of the branch pipes are communicated with the main air pipe.

6. An oxygen enrichment mechanism as claimed in claim 5, wherein the side wall of the main air duct is provided with at least two outlets, the outlets are distributed at intervals in the axial direction of the main air duct, the side walls of the branch pipes are connected with the side wall of the main air duct, and the outlets are communicated with the combustion-supporting gas inlets in a one-to-one correspondence manner.

7. A gas water heater comprising the oxygen enrichment mechanism of any one of claims 1 to 6.

8. The gas water heater of claim 7, further comprising a burner and an air intake auxiliary member, wherein an air intake auxiliary channel is provided in the air intake auxiliary member, an outlet of the air intake auxiliary channel is communicated with an inlet of the combustion-supporting gas duct, the air intake auxiliary member is located on one side of the burner facing the gas water heater panel, and the mixed gas outlet is communicated with an air inlet of the burner in a one-to-one correspondence manner.

9. The gas water heater of claim 8, wherein the air intake auxiliary member includes a top plate, a bottom plate and a plurality of side plates, the top plate and the bottom plate are arranged at intervals, the side plates are all connected with the side edges of the top plate and the bottom plate, the top plate, the bottom plate and the side plates enclose the air intake auxiliary channel, the bottom plate is close to the burner relative to the top plate, the outlet of the air intake auxiliary channel is a through hole arranged on the bottom plate, the through hole arranged on the bottom plate is correspondingly communicated with the inlet of the combustion-supporting gas air duct, and the inlet of the air intake auxiliary channel is located at one end of the air intake auxiliary member far away from the outlet of the air intake auxiliary channel.

10. The gas water heater of claim 9, wherein the spacing between the top plate and the bottom plate is greater than the width of the top plate or the bottom plate, such that the cross-section of the auxiliary intake air channel is rectangular.

11. The gas water heater of any one of claims 7 to 10, further comprising a gas distributing rod, wherein the gas distributing rod is provided with at least two nozzles, and the nozzles are communicated with the gas inlets in a one-to-one correspondence manner.

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